# CheapCADTools > Browser-based parametric CAD generators that make complete, printable or machinable parts: timing belt pulleys, roller-chain sprockets, involute gears, worm gears, bevel gears and planetary gear sets. Designing is free; STL, STEP, DXF and SVG downloads cost tokens. ## Use from an AI app - MCP connector (streamable HTTP, OAuth sign-in): https://cheapcadtools.com/mcp. Tools: list_apps, describe, check (dimensions, standards warnings, Auto-fix), quote, export (a download link), balance. - [Connection guide for AI assistants](https://cheapcadtools.com/connect.txt): setup, OAuth discovery, client configurations and first tool calls. - [How to connect](https://cheapcadtools.com/ai/): Claude, Claude Code, ChatGPT, Cursor, VS Code. - HTTP API: GET https://cheapcadtools.com/tools/pulleys/api/v1/describe (or https://cheapcadtools.com/tools/sprocket/api/v1/describe, https://cheapcadtools.com/tools/gears/api/v1/describe, https://cheapcadtools.com/tools/worm-gears/api/v1/describe, https://cheapcadtools.com/tools/bevel-gears/api/v1/describe, https://cheapcadtools.com/tools/planetary-gears/api/v1/describe) lists every parameter; POST check, quote and files take {"params": {...}}. Sizes are mm. ## Tools - [Timing Pulley Generator](https://cheapcadtools.com/timing-pulley-generator/) (Live): GT2, HTD, T5, XL and 30+ more belt profiles. Hubs, set screws, spline and hex bores, spokes and flanges, as a single pulley or a two-pulley drive. - [Sprocket Designer](https://cheapcadtools.com/sprocket-generator/) (Live): Roller-chain sprockets for ANSI, ISO 606 and bicycle chains — single or multi-strand, with hubs, bores and spokes, as a two-sprocket drive. - [Gear Designer](https://cheapcadtools.com/gear-generator/) (Live): Involute spur, helical and herringbone gears by module or diametral pitch — single gears, pairs, internal rings and racks, checked against DIN 3960. - [Worm Gear Designer](https://cheapcadtools.com/worm-gear-generator/) (Live): A worm and the wheel it drives, by module or diametral pitch: 1 to 8 starts, ZA, ZN, ZI and ZK threads, the wheel cut by the worm itself. - [Bevel Gear Designer](https://cheapcadtools.com/bevel-gear-generator/) (Live): Straight, spiral and hypoid bevel pairs by module or diametral pitch: miter gears, right-angle drives and straight pairs at any shaft angle from 10° to 170°. - [Planetary Gear Designer](https://cheapcadtools.com/planetary-gear-generator/) (Live): A whole planetary gearbox in one design: sun, 1 to 8 planets, ring and carrier, with any member held, up to three stacked stages, and the carrier's pins and bearings. - [E-Box Designer](https://cheapcadtools.com/e-box-designer/) (Work in progress): parametric 3D-printed enclosures for electronics: draw the box, place the boards, cut the holes, print it. ## Gears: which type for which shafts ([guide](https://cheapcadtools.com/gears/)) - Shafts parallel: Spur, helical and herringbone gears; internal rings and racks. Ratio: Up to about 6 : 1 a pair; more with a ring or in stages. [Gear Designer](https://cheapcadtools.com/gear-generator/) (Live), [samples](https://cheapcadtools.com/samples/gears/) - Shafts crossed at 90°, not meeting: A worm and its worm wheel. Ratio: About 5 : 1 to 100 : 1 in one step (the app goes to 400 : 1); can self-lock. [Worm Gear Designer](https://cheapcadtools.com/worm-gear-generator/) (Live), [samples](https://cheapcadtools.com/samples/worm-gears/) - Shafts meeting at an angle: Straight, spiral and hypoid bevel pairs; hypoid shafts are offset. Ratio: 1 : 1 (miter) to about 6 : 1. [Bevel Gear Designer](https://cheapcadtools.com/bevel-gear-generator/) (Live), [samples](https://cheapcadtools.com/samples/bevel-gears/) - Shafts in line (coaxial): Planetary sets: sun, planets, ring and carrier. Ratio: About 3 : 1 to 10 : 1 a stage; stages stack. [Planetary Gear Designer](https://cheapcadtools.com/planetary-gear-generator/) (Live), [samples](https://cheapcadtools.com/samples/planetary-gears/) ## Samples, with the prompt that builds each one - [STD 5M 20T & 100T, Printed: 1 : 5 Reduction, Eight-Spoke Wheel](https://cheapcadtools.com/samples/std-5m-20t-100t-printed-eight-spoke-reduction/): Printed and run on an S5M 690 belt: a 1 : 5 reduction to a 100-tooth wheel on eight spokes, whose top flange prints as a separate ring and glues on over 40 nubs, while the 20-tooth pulley prints its flanges in place. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: STD 5M belt (S5M), 10 mm wide, about 183.86 mm between centres, with 2 mm of extra face width beyond the belt. Pulley 1: 20 teeth, 5 mm bore, 0.2 mm print compensation, a hub 25 mm across and 10 mm tall with two M4 set screws in captured nuts, and printed flanges 2 mm thick reaching 4 mm past the teeth, the top flange printed in place on breakaway print supports. Pulley 2: 100 teeth, 5 mm bore, a hub 25 mm across and 10 mm tall with two M4 set screws in captured nuts, 8 spokes 6.9 mm wide on a 6 mm web round a 25 mm spoke hub, an 8.4 mm rim under the teeth, 10 mm fillets at the rim and 3 mm at the hub, and printed flanges 3 mm thick reaching 5 mm past the teeth, the top flange a separate part that locates on 40 gluing nubs 5 mm across and 3 mm tall. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [HTD 3M 40T & 60T, Printed: D-Flat Bores & Six Spokes](https://cheapcadtools.com/samples/htd-3m-40t-60t-printed-d-flat-six-spoke-pulleys/): Printed and run on an HTD 315-3M belt: both 5 mm bores carry a D-flat under one M4 set screw in a captured nut, the 60-tooth pulley runs on six spokes, and both print their flanges in place. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 3M belt, 10 mm wide, about 81.94 mm between centres, with 2 mm of extra face width beyond the belt. Pulley 1: 40 teeth, 5 mm bore with a D-flat 0.5 mm deep, 0.2 mm print compensation, a hub 20 mm across and 10 mm tall with 1 M4 set screw in a captured nut. Pulley 2: 60 teeth, 5 mm bore with a D-flat 0.5 mm deep, a hub 20 mm across and 10 mm tall with 1 M4 set screw in a captured nut, and 6 spokes 5 mm wide on an 8 mm web round a 20 mm spoke hub, a 5 mm rim under the teeth, 3 mm fillets at the rim and 4 mm at the hub. Both pulleys: printed flanges 3 mm thick reaching 4 mm past the teeth, the top flange printed in place on breakaway print supports. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [XL 30T & 45T, Printed: M5 Set Screws Threaded Into the Hub](https://cheapcadtools.com/samples/xl-30t-45t-printed-m5-threaded-set-screws/): Printed and run on a 150XL belt: two M5 set screws per hub thread straight into hex-shaped holes in the plastic, with no nut or insert, on 8 mm bores; the 45-tooth pulley has five spokes and both print their flanges in place. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: XL belt, 12.5 mm wide, about 94.47 mm between centres, with 2 mm of extra face width beyond the belt. Pulley 1: 30 teeth, 8 mm bore, 0.2 mm print compensation, a hub 25 mm across and 15 mm tall with two M5 set screws threaded straight into hex-shaped holes in the plastic. Pulley 2: 45 teeth, 8 mm bore, a hub 25 mm across and 15 mm tall with two M5 set screws threaded into the plastic, and 5 spokes 8 mm wide on a 6 mm web round a 25 mm spoke hub, a 6 mm rim under the teeth and 3 mm fillets at the rim and the hub. Both pulleys: printed flanges 3 mm thick reaching 4 mm past the teeth, the top flange printed in place on breakaway print supports at most 5 mm apart. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [GT2 30T & 45T, Printed: Three-Spoke Pulley](https://cheapcadtools.com/samples/gt2-30t-45t-printed-three-spoke-pulleys/): Printed and run on a GT2 belt: the 45-tooth pulley is cut down to three spokes on a 1 mm web, both pulleys print their flanges in place on breakaway supports, and two M3 set screws per hub bite into captured nuts. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: GT2 belt (2 mm pitch), 5.5 mm wide, about 62.32 mm between centres. Pulley 1: 30 teeth, 5 mm bore, 0.2 mm print compensation, a hub 20 mm across and 6 mm tall with two M3 set screws in captured nuts. Pulley 2: 45 teeth, 5 mm bore, a hub 13.35 mm across and 10 mm tall with two M3 set screws in captured nuts, and 3 spokes 6.55 mm wide on a 1 mm web round a 13.35 mm spoke hub, a 3 mm rim under the teeth and 2.5 mm fillets at the hub. Both pulleys: printed flanges 2 mm thick, the top flange printed in place on breakaway print supports. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [GT2 20T & 30T, 5 mm D-Flat Stepper Pulley](https://cheapcadtools.com/samples/gt2-20t-30t-stepper-pulleys-d-flat-captured-nut/): The 3D-printer classic done properly: a D-flat that keys onto the motor shaft, a set screw that bites into a captured nut instead of the plastic, and a 30-tooth partner held by two heat-set inserts. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: GT2 belt (2 mm pitch), about 80 mm between centres. Pulley 1: 20 teeth, 5 mm bore with a D-flat 0.5 mm deep, a hub 16 mm across and 8 mm tall with one M3 set screw in a captured nut, and printed flanges with the top flange printed in place. Pulley 2: 30 teeth, 8 mm bore, a hub 20 mm across and 8 mm tall with two M3 set screws in heat-set inserts (4.1 mm insert holes). Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [FRC HTD 5M 24T & 36T, ½" Rounded Hex](https://cheapcadtools.com/samples/frc-htd-5m-pulleys-rounded-hex-bore/): Ready for an FRC robot: the bore fits REV ½" rounded hex shaft, with SH-50 retaining-ring grooves on both faces and a splined washer under each ring so nothing walks along the shaft. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 5M belt, 24 and 36 teeth, about 160 mm between centres. Bore both pulleys for ½" rounded hex shaft (REV style: 12.7 mm across flats, 13.75 mm across corners) with inch retaining-ring grooves on both faces and a splined washer under each ring, and give each a hub 30 mm across and 8 mm tall. The 36-tooth pulley gets printed flanges, with its top flange printed as a separate part. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [HTD 5M 20T & 30T, ISO Keyways & Metal Flanges](https://cheapcadtools.com/samples/htd-5m-20t-30t-keyway-metal-flanges/): Built like a machined part: ISO 773 keyways sized to 12 mm and 20 mm shafts, M5 set screws to lock them, and flanges drawn as bent metal plates instead of printed rims. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 5M belt, about 150 mm between centres, M5 set screws in both hubs. Pulley 1: 20 teeth, 12 mm bore with a 4 mm wide, 2 mm deep keyway, a hub 26 mm across and 10 mm tall, and flanges drawn as metal plates. Pulley 2: 30 teeth, 20 mm bore with a 6 mm wide, 3.1 mm deep keyway, a hub 34 mm across and 10 mm tall. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [GT2 40T & 60T, Spoked Thin-Web Pulleys](https://cheapcadtools.com/samples/gt2-40t-60t-spoked-lightweight-pulleys/): Big printed pulleys don't need to be solid: five and six spokes on a thin centre web cut plastic and print time, while the toothed rim stays full width for the belt. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: GT2 belt (2 mm pitch), about 120 mm between centres, 8 mm bores, and on each pulley a hub 18 mm across and 7 mm tall with an M3 set screw. Lighten both with spokes on a thin web 4 mm tall, a 3 mm rim under the teeth and an 18 mm spoke hub: 5 spokes on pulley 1 (40 teeth) and 6 spokes on pulley 2 (60 teeth). Pulley 2 also gets printed flanges, with the top flange printed in place. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [GT2 16T & 24T, Zero-Backlash Fit](https://cheapcadtools.com/samples/gt2-16t-24t-zero-backlash-pulleys/): Tuned for positioning rather than power: tight tooth clearance, no backlash allowance and 0.1 mm of print compensation, so the printed teeth hold the belt without slop. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: GT2 belt (2 mm pitch), 16 and 24 teeth, about 60 mm between centres, tuned for positioning: tight tooth clearance, no backlash allowance and 0.1 mm of print compensation on both. Each has a 5 mm bore and a hub 14 mm across and 7 mm tall with an M3 set screw in a captured nut. Pulley 1 gets printed flanges, with the top flange printed in place. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [HTD 3M 24T & 36T, ISO 4156 Involute Splines](https://cheapcadtools.com/samples/htd-3m-24t-36t-involute-spline-bore/): Splined like a gearbox shaft: ISO 4156 involute splines in module 1, with a flat root at 30° on the small pulley and a fillet root at 37.5° on the large one. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 3M belt, about 110 mm between centres, with ISO 4156 involute splined bores in module 1. Pulley 1: 24 teeth, a 9-tooth spline at 30° with a flat root, a hub 20 mm across and 7 mm tall, and printed flanges with the top flange printed in place on breakaway print supports. Pulley 2: 36 teeth, a 16-tooth spline at 37.5° with a fillet root, a hub 27 mm across and 7 mm tall. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [HTD 8M 24T & 36T, ISO 14 Splined Bores](https://cheapcadtools.com/samples/htd-8m-24t-36t-iso-14-spline-bore/): Heavy-duty HTD 8M on splined shafts: straight-sided ISO 14 splines carry torque no set screw could, and the 36-tooth pulley is spoked around its spline hub. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 8M belt, about 250 mm between centres, with straight-sided ISO 14 splined bores. Pulley 1: 24 teeth, a 6 × 23 × 26 spline (6 mm spline width), a hub 40 mm across and 10 mm tall. Pulley 2: 36 teeth, a 6 × 28 × 32 spline (7 mm spline width), a hub 48 mm across and 10 mm tall, 6 spokes around a 48 mm spoke hub with a 4.1 mm rim under the teeth, and flanges drawn as metal plates reaching 4.2 mm past the teeth. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [GT3 20T & 30T, Flanges Printed in Place](https://cheapcadtools.com/samples/gt3-20t-30t-flanges-printed-in-place/): One print, no glue: both flanges print in place, the top one on breakaway supports sized for a 0.4 mm nozzle, so each pulley comes off the bed finished. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: GT3 belt (3 mm pitch), 20 and 30 teeth, about 90 mm between centres. Pulley 1 has a 6 mm bore and a hub 16 mm across and 7 mm tall; pulley 2 an 8 mm bore and a hub 18 mm across and 7 mm tall; an M3 set screw in each hub. Both get printed flanges with the top flange printed in place, on breakaway print supports sized for a 0.4 mm nozzle. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [AT5 24T & 36T, Heat-Set Insert Set Screws](https://cheapcadtools.com/samples/at5-24t-36t-heat-set-insert-pulleys/): For a linear axis that gets adjusted often: AT5's stiff belt, with M4 set screws running in heat-set inserts so the threads survive, and a spoked 36-tooth pulley. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: AT5 belt, about 140 mm between centres, M4 set screws in heat-set inserts on both hubs. Pulley 1: 24 teeth, 8 mm bore, a hub 22 mm across and 9 mm tall. Pulley 2: 36 teeth, 10 mm bore, a hub 24 mm across and 9 mm tall, 5 spokes around a 24 mm spoke hub with a 5 mm rim under the teeth, and printed flanges whose top flange is a separate part held on by 12 gluing nubs. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [T5 20T & 30T, 16 mm Wide Belt](https://cheapcadtools.com/samples/t5-20t-30t-16mm-wide-belt-pulleys/): More belt for more load: a 16 mm T5 belt with the face widened to suit, on D-flat shafts with an M4 set screw in each hub. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: T5 belt 16 mm wide, about 120 mm between centres, one M4 set screw in each hub. Pulley 1: 20 teeth, 8 mm bore with a D-flat 0.5 mm deep, a hub 20 mm across and 9 mm tall, and printed flanges with the top flange printed in place. Pulley 2: 30 teeth, 10 mm bore with a D-flat 0.8 mm deep, a hub 24 mm across and 9 mm tall. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [XL 20T & 30T, ¼" & ⅜" Bores, Inch Set Screws](https://cheapcadtools.com/samples/xl-20t-30t-imperial-pulleys-inch-set-screws/): Imperial down to the hardware: an XL belt, ¼" and ⅜" shafts, and #8-32 and #10-24 set screws in captured nuts. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: XL belt, about 120 mm between centres, set screws in captured nuts. Pulley 1: 20 teeth, ¼" bore, a hub 18 mm across and 9 mm tall with a #8-32 set screw, and printed flanges with the top flange printed in place on breakaway print supports. Pulley 2: 30 teeth, ⅜" bore, a hub 22 mm across and 10 mm tall with a #10-24 set screw. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [L 20T & 30T, ½" & ¾" Keyed Bores](https://cheapcadtools.com/samples/l-20t-30t-keyed-inch-bore-pulleys/): The ⅜" L pitch for heavier inch-sized machines: ½" and ¾" bores with ⅛" and 3/16" keyways, and a 1/4-20 set screw on the larger hub. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: L belt (⅜" pitch), about 200 mm between centres. Pulley 1: 20 teeth, ½" bore with a ⅛" wide, 1.6 mm deep keyway, a hub 30 mm across and 12 mm tall with a #10-24 set screw. Pulley 2: 30 teeth, ¾" bore with a 3/16" wide, 2.4 mm deep keyway, a hub 38 mm across and 12.7 mm tall with a 1/4-20 set screw, and flanges drawn as metal plates. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [MXL 20T & 30T, Miniature with M2 Screws](https://cheapcadtools.com/samples/mxl-20t-30t-miniature-pulleys/): Small and fine-pitched: 0.08" MXL teeth on 3 mm and 4 mm shafts, held by M2 set screws in hex-shaped tapped holes. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: MXL belt, about 50 mm between centres, M2 set screws in hex-shaped threaded holes. Pulley 1: 20 teeth, 3 mm bore, a hub 10 mm across and 6 mm tall, and printed flanges with the top flange printed in place. Pulley 2: 30 teeth, 4 mm bore, a hub 12 mm across and 6 mm tall. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [STD S3M 30T & 45T, Custom Tooth Fit](https://cheapcadtools.com/samples/std-s3m-30t-45t-custom-fit-pulleys/): When the presets aren't quite right for your printer: tooth clearance and backlash dialled in by hand, on the round-toothed STD S-series profile. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: STD S3M belt, about 110 mm between centres, with a custom tooth fit on both pulleys: 0.08 mm tooth clearance and 0.04 mm backlash. Pulley 1: 30 teeth, 6 mm bore with a D-flat 0.5 mm deep, a hub 18 mm across and 7 mm tall with an M3 set screw, and printed flanges with the top flange printed in place. Pulley 2: 45 teeth, 8 mm bore, a hub 20 mm across and 7 mm tall with an M3 set screw. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [RPP 5M 20T & 30T, Three-Spoke Web](https://cheapcadtools.com/samples/rpp-5m-20t-30t-three-spoke-pulleys/): RPP's parabolic teeth around an open three-spoke web, with generous fillets at both ends of every spoke. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: RPP 5M belt, about 150 mm between centres, an M4 set screw in each hub. Pulley 1: 20 teeth, 8 mm bore, a hub 20 mm across and 8 mm tall. Pulley 2: 30 teeth, 10 mm bore, a hub 22 mm across and 8 mm tall, 3 spokes 6 mm wide around a 22 mm spoke hub with a 3 mm rim under the teeth, a 3 mm fillet where each spoke meets the rim and 4 mm at the hub, and printed flanges with the top flange printed in place on breakaway print supports. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. - [HTD 14M 24T & 36T, Industrial Size](https://cheapcadtools.com/samples/htd-14m-24t-36t-industrial-pulleys/): Industrial scale: an HTD 14M drive for a 40 mm belt, keyed 35 mm and 50 mm bores, a spoked 36-tooth pulley over 160 mm across, and metal-plate flanges. Prompt: Using the CheapCADTools connector, design a two-pulley timing belt drive: HTD 14M belt 40 mm wide, about 600 mm between centres, ISO keyways. Pulley 1: 24 teeth, 35 mm bore with a 10 mm wide, 3.6 mm deep keyway, a hub 70 mm across and 20 mm tall, and flanges drawn as metal plates reaching 7.5 mm past the teeth. Pulley 2: 36 teeth, 50 mm bore with a 14 mm wide, 4.2 mm deep keyway, a hub 80 mm across and 20 mm tall, and 6 spokes 10 mm wide around an 80 mm spoke hub with a 10 mm rim under the teeth and 6 mm fillets at both ends. Check the design, apply any Auto-fix it suggests, then export both pulleys as STL and give me the download link. ## Sprocket samples (each link opens the drive in the Sprocket Designer) - [BMX street 25/9, 25/9 · angled spokes](https://cheapcadtools.com/samples/sprockets/bmx-25x9-tapered/): Five solid spokes set at a 15° Angle Offset, on a 9T driver. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=sprocket&bore=23.8&chamfer=0&teeth=25&spokes=1&spokes_shape=tapered&spokes_count=5&spokes_hub_od=50&spokes_rim_depth=9&spokes_width=14&spokes_hub_width=14&spokes_sweep=15&s2_part=sprocket&s2_teeth=9&s2_chamfer=0&s2_bore=12&dual=1&links=78&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 78 chain links. Sprocket 1: 25 teeth, a sprocket; a 23.8 mm bore; spokes: tapered spokes, 5 of them, Hub OD 50 mm, Rim Depth 9 mm, Width at Rim 14 mm, Width at Hub 14 mm, Angle Offset 15°; no tooth chamfer. Sprocket 2: 9 teeth, a sprocket; a 12 mm bore; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [BMX street 25/9, 25/9 · classic five-spoke](https://cheapcadtools.com/samples/sprockets/bmx-25x9-classic/): The straight five-spoke street sprocket, after BSD's Guard. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=sprocket&bore=23.8&chamfer=0&teeth=25&spokes=1&spokes_shape=straight&spokes_count=5&spokes_hub_od=50&spokes_rim_depth=9&spokes_width=16&s2_part=sprocket&s2_teeth=9&s2_chamfer=0&s2_bore=12&dual=1&links=78&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 78 chain links. Sprocket 1: 25 teeth, a sprocket; a 23.8 mm bore; spokes: straight spokes, 5 of them, Hub OD 50 mm, Rim Depth 9 mm, Spoke Width 16 mm; no tooth chamfer. Sprocket 2: 9 teeth, a sprocket; a 12 mm bore; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [BMX street 25/9, 25/9 · four-spoke](https://cheapcadtools.com/samples/sprockets/bmx-25x9-four/): Four wide spokes at a 12° offset, like Kink's Imprint. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=sprocket&bore=23.8&chamfer=0&teeth=25&spokes=1&spokes_shape=tapered&spokes_count=4&spokes_hub_od=52&spokes_rim_depth=9&spokes_width=20&spokes_hub_width=20&spokes_sweep=12&s2_part=sprocket&s2_teeth=9&s2_chamfer=0&s2_bore=12&dual=1&links=78&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 78 chain links. Sprocket 1: 25 teeth, a sprocket; a 23.8 mm bore; spokes: tapered spokes, 4 of them, Hub OD 52 mm, Rim Depth 9 mm, Width at Rim 20 mm, Width at Hub 20 mm, Angle Offset 12°; no tooth chamfer. Sprocket 2: 9 teeth, a sprocket; a 12 mm bore; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [BMX street 28/9, 28/9 · six tapered spokes](https://cheapcadtools.com/samples/sprockets/bmx-28x9-tapered/): Six spokes tapering from 16 mm at the hub to 13 mm at the rim, 12° offset. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=sprocket&bore=23.8&chamfer=0&teeth=28&spokes=1&spokes_shape=tapered&spokes_count=6&spokes_hub_od=46&spokes_rim_depth=7&spokes_width=13&spokes_hub_width=16&spokes_sweep=12&s2_part=sprocket&s2_teeth=9&s2_chamfer=0&s2_bore=12&dual=1&links=80&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 80 chain links. Sprocket 1: 28 teeth, a sprocket; a 23.8 mm bore; spokes: tapered spokes, 6 of them, Hub OD 46 mm, Rim Depth 7 mm, Width at Rim 13 mm, Width at Hub 16 mm, Angle Offset 12°; no tooth chamfer. Sprocket 2: 9 teeth, a sprocket; a 12 mm bore; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [BMX street 28/9, 28/9 · overlapping Y star](https://cheapcadtools.com/samples/sprockets/bmx-28x9-overlap/): Six Y spokes forking into a star lattice, like Wethepeople's Turmoil. On a 25T the forks leave too little room to pass the strength check, so the star is a 28T. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=sprocket&bore=23.8&chamfer=0&teeth=28&spokes=1&spokes_shape=overlapping&spokes_count=6&spokes_hub_od=46&spokes_rim_depth=6&spokes_width=10&s2_part=sprocket&s2_teeth=9&s2_chamfer=0&s2_bore=12&dual=1&links=80&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 80 chain links. Sprocket 1: 28 teeth, a sprocket; a 23.8 mm bore; spokes: overlapping spokes, 6 of them, Hub OD 46 mm, Rim Depth 6 mm, Spoke Width 10 mm; no tooth chamfer. Sprocket 2: 9 teeth, a sprocket; a 12 mm bore; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [BMX race 44/16, 44/16 · windowed race ring](https://cheapcadtools.com/samples/sprockets/bmx-race-44x16/): Five-bolt 110 BCD ring with windows between the bolts, on a 16T freewheel cog. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=chainring&teeth=44&bcd=110&bolts=5&spokes=1&spokes_shape=windowed&chamfer=0&bore=95.8&spokes_hub_od=104&spokes_rim_depth=6&spokes_width=8&s2_part=sprocket&s2_teeth=16&s2_chamfer=0&s2_bore=34.9&dual=1&links=96&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 96 chain links. Sprocket 1: 44 teeth, a chainring; a 110 mm bolt circle (BCD) with 5 bolts; a 95.8 mm centre opening; spokes: a windowed web, Band OD 104 mm, Rim Depth 6 mm, Tab Wall ×2 8 mm; no tooth chamfer. Sprocket 2: 16 teeth, a sprocket; a 34.9 mm bore; no tooth chamfer. Check the design and keep it as given: its one note, ASME's advice to use an odd tooth count on sprocket 2's 16 teeth, is expected for this gearing, so don't apply that Auto-fix, then export both sprockets as STL and give me the download link. - [BMX race 43/16, 43/16 · drilled race ring](https://cheapcadtools.com/samples/sprockets/bmx-race-43x16/): Four-bolt 104 BCD ring, drilled, on a 16T cog. Open: https://cheapcadtools.com/tools/sprocket/?chain=081C&part=chainring&teeth=43&bcd=104&bolts=4&spokes=1&spokes_shape=drilled&chamfer=0&bore=89.8&spokes_rim_depth=4&s2_part=sprocket&s2_teeth=16&s2_chamfer=0&s2_bore=34.9&dual=1&links=94&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 081C (⅛" single-speed bicycle) roller chain, 94 chain links. Sprocket 1: 43 teeth, a chainring; a 104 mm bolt circle (BCD) with 4 bolts; a 89.8 mm centre opening; spokes: a drilled web, Rim Depth 4 mm; no tooth chamfer. Sprocket 2: 16 teeth, a sprocket; a 34.9 mm bore; no tooth chamfer. Check the design and keep it as given: its one note, ASME's advice to use an odd tooth count on sprocket 2's 16 teeth, is expected for this gearing, so don't apply that Auto-fix, then export both sprockets as STL and give me the download link. - [Road 50/34 · 11-28, big ring, 50 × 15 · compact big ring](https://cheapcadtools.com/samples/sprockets/road-50x15/): Bolt tabs on Shimano's 110 × 4, in a cruising gear. Open: https://cheapcadtools.com/tools/sprocket/?chain=11sp&part=chainring&teeth=50&bcd=110&bolts=4&bolt_pattern=shimano&spokes=1&spokes_shape=tabs&chamfer=0&spokes_rim_depth=12&spokes_width=12&s2_part=cog&s2_teeth=15&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 11sp (11-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 50 teeth, a chainring; a 110 mm bolt circle (BCD) with 4 bolts in the shimano pattern; spokes: the web cut to bolt tabs, Rim Depth 12 mm, Tab Wall ×2 12 mm; no tooth chamfer. Sprocket 2: 15 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Road 50/34 · 11-28, lowest gear, 34 × 28 · compact lowest gear](https://cheapcadtools.com/samples/sprockets/road-34x28/): The inner ring on the 11-28's biggest cog. Open: https://cheapcadtools.com/tools/sprocket/?chain=11sp&part=chainring&teeth=34&bcd=110&bolts=4&bolt_pattern=shimano&chamfer=0&bore=95.8&s2_part=cog&s2_teeth=28&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 11sp (11-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 34 teeth, a chainring; a 110 mm bolt circle (BCD) with 4 bolts in the shimano pattern; a 95.8 mm centre opening; no tooth chamfer. Sprocket 2: 28 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Road 52/36 · 11-34, big ring, 52 × 15 · mid-compact big ring](https://cheapcadtools.com/samples/sprockets/road-52x15/): Windowed between the tabs, 110 × 4. Open: https://cheapcadtools.com/tools/sprocket/?chain=12sp&part=chainring&teeth=52&bcd=110&bolts=4&bolt_pattern=shimano&spokes=1&spokes_shape=windowed&chamfer=0&bore=95.8&spokes_hub_od=104&spokes_rim_depth=8&spokes_width=18&s2_part=cog&s2_teeth=15&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 12sp (12-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 52 teeth, a chainring; a 110 mm bolt circle (BCD) with 4 bolts in the shimano pattern; a 95.8 mm centre opening; spokes: a windowed web, Band OD 104 mm, Rim Depth 8 mm, Tab Wall ×2 18 mm; no tooth chamfer. Sprocket 2: 15 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Road 52/36 · 11-34, lowest gear, 36 × 34 · mid-compact lowest gear](https://cheapcadtools.com/samples/sprockets/road-36x34/): The inner ring on an 11-34's 34T cog, six tapered spokes at a 12° offset. Open: https://cheapcadtools.com/tools/sprocket/?chain=12sp&part=chainring&teeth=36&bcd=110&bolts=4&bolt_pattern=shimano&chamfer=0&bore=95.8&s2_part=cog&s2_teeth=34&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=60&s2_spokes_rim_depth=11&s2_spokes_width=20&s2_spokes_hub_width=18&s2_spokes_sweep=12&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 12sp (12-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 36 teeth, a chainring; a 110 mm bolt circle (BCD) with 4 bolts in the shimano pattern; a 95.8 mm centre opening; no tooth chamfer. Sprocket 2: 34 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); spokes: tapered spokes, 6 of them, Hub OD 60 mm, Rim Depth 11 mm, Width at Rim 20 mm, Width at Hub 18 mm, Angle Offset 12°; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Road 53/39 · 11-25, big ring, 53 × 15 · classic race ring](https://cheapcadtools.com/samples/sprockets/road-53x15/): Windowed, on a 5-arm 130 spider. Open: https://cheapcadtools.com/tools/sprocket/?chain=10sp&part=chainring&teeth=53&bcd=130&bolts=5&spokes=1&spokes_shape=windowed&chamfer=0&bore=115.8&spokes_hub_od=124&spokes_rim_depth=8&spokes_width=10&s2_part=cog&s2_teeth=15&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 10sp (10-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 53 teeth, a chainring; a 130 mm bolt circle (BCD) with 5 bolts; a 115.8 mm centre opening; spokes: a windowed web, Band OD 124 mm, Rim Depth 8 mm, Tab Wall ×2 10 mm; no tooth chamfer. Sprocket 2: 15 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Road 53/39 · 11-25, lowest gear, 39 × 25 · classic lowest gear](https://cheapcadtools.com/samples/sprockets/road-39x25/): The inner ring on the 11-25's biggest cog. Open: https://cheapcadtools.com/tools/sprocket/?chain=10sp&part=chainring&teeth=39&bcd=130&bolts=5&chamfer=0&bore=115.8&s2_part=cog&s2_teeth=25&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&dual=1¢re=410&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 10sp (10-speed bicycle) roller chain, about 410 mm between centres. Sprocket 1: 39 teeth, a chainring; a 130 mm bolt circle (BCD) with 5 bolts; a 115.8 mm centre opening; no tooth chamfer. Sprocket 2: 25 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [MTB 30T · 10-52, lowest gear, 30T × 52T · climber's ring](https://cheapcadtools.com/samples/sprockets/mtb-30x52/): Narrow-wide on SRAM's 94 × 4, in the cassette's lowest gear. Open: https://cheapcadtools.com/tools/sprocket/?chain=12sp&part=chainring&teeth=30&bcd=94&bolts=4&nw=1&spokes=1&spokes_shape=tabs&chamfer=0&spokes_rim_depth=16&spokes_width=24&s2_part=cog&s2_teeth=52&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=76&s2_spokes_rim_depth=18&s2_spokes_width=32&s2_spokes_hub_width=26&s2_spokes_sweep=12&dual=1¢re=435&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 12sp (12-speed bicycle) roller chain, about 435 mm between centres. Sprocket 1: 30 teeth, a chainring; a 94 mm bolt circle (BCD) with 4 bolts; narrow-wide teeth; spokes: the web cut to bolt tabs, Rim Depth 16 mm, Tab Wall ×2 24 mm; no tooth chamfer. Sprocket 2: 52 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); spokes: tapered spokes, 6 of them, Hub OD 76 mm, Rim Depth 18 mm, Width at Rim 32 mm, Width at Hub 26 mm, Angle Offset 12°; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [MTB 32T · 10-52, lowest gear, 32T × 52T · the common 1x](https://cheapcadtools.com/samples/sprockets/mtb-32x52/): Narrow-wide, 104 × 4, with four bolt lugs. Open: https://cheapcadtools.com/tools/sprocket/?chain=12sp&part=chainring&teeth=32&bcd=104&bolts=4&nw=1&spokes=1&spokes_shape=tabs&chamfer=0&spokes_rim_depth=10&spokes_width=12&s2_part=cog&s2_teeth=52&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=76&s2_spokes_rim_depth=18&s2_spokes_width=32&s2_spokes_hub_width=26&s2_spokes_sweep=12&dual=1¢re=435&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 12sp (12-speed bicycle) roller chain, about 435 mm between centres. Sprocket 1: 32 teeth, a chainring; a 104 mm bolt circle (BCD) with 4 bolts; narrow-wide teeth; spokes: the web cut to bolt tabs, Rim Depth 10 mm, Tab Wall ×2 12 mm; no tooth chamfer. Sprocket 2: 52 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); spokes: tapered spokes, 6 of them, Hub OD 76 mm, Rim Depth 18 mm, Width at Rim 32 mm, Width at Hub 26 mm, Angle Offset 12°; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [MTB 34T · 10-52, lowest gear, 34T × 52T · racer's ring](https://cheapcadtools.com/samples/sprockets/mtb-34x52/): Narrow-wide and windowed, 104 × 4. Open: https://cheapcadtools.com/tools/sprocket/?chain=12sp&part=chainring&teeth=34&bcd=104&bolts=4&nw=1&spokes=1&spokes_shape=windowed&chamfer=0&bore=89.8&spokes_hub_od=104&spokes_rim_depth=9&spokes_width=18&s2_part=cog&s2_teeth=52&s2_chamfer=0&s2_spline_type=straight&s2_spline_n=9&s2_spline_minor=32.5&s2_spline_major=34.75&s2_spline_width=6.25&s2_spline_key=3.25&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=76&s2_spokes_rim_depth=18&s2_spokes_width=32&s2_spokes_hub_width=26&s2_spokes_sweep=12&dual=1¢re=435&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 12sp (12-speed bicycle) roller chain, about 435 mm between centres. Sprocket 1: 34 teeth, a chainring; a 104 mm bolt circle (BCD) with 4 bolts; narrow-wide teeth; a 89.8 mm centre opening; spokes: a windowed web, Band OD 104 mm, Rim Depth 9 mm, Tab Wall ×2 18 mm; no tooth chamfer. Sprocket 2: 52 teeth, a cog; an ISO 14 straight-sided spline bore: 9 splines, minor diameter 32.5 mm, major 34.75 mm, width 6.25 mm, one key slot 3.25 mm wide (the Shimano HG cassette spline); spokes: tapered spokes, 6 of them, Hub OD 76 mm, Rim Depth 18 mm, Width at Rim 32 mm, Width at Hub 26 mm, Angle Offset 12°; no tooth chamfer. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [15/43 · 520, KLR650 · 15/43 steel](https://cheapcadtools.com/samples/sprockets/klr650-15x43/): The KLR650's stock gearing on 520 chain: a 43T steel rear with six broad spokes and big rounded windows, on Kawasaki's 520 street pattern (6 × 10.5 mm on 104, 80 mm centre). Open: https://cheapcadtools.com/tools/sprocket/?chain=520&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=15&dual=1&links=104&s2_part=rear&s2_teeth=43&s2_bcd=104&s2_bolts=6&s2_bolt_d=10.5&s2_bore=80&s2_spokes=1&s2_spokes_shape=straight&s2_spokes_count=6&s2_spokes_hub_od=128&s2_spokes_rim_depth=12&s2_spokes_width=16&s2_spokes_fillet_tip=8&s2_spokes_fillet_base=8&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 520 motorcycle roller chain (ISO 10190), 104 chain links. Sprocket 1: 15 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 43 teeth, a rear sprocket; a 104 mm bolt circle (BCD) with 6 bolts, 10.5 mm holes; an 80 mm centre bore; spokes: straight spokes, 6 of them, Hub OD 128 mm, Rim Depth 12 mm, Spoke Width 16 mm, Fillet at Rim 8 mm, Fillet at Hub 8 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [13/49 · 520, YZ250F · 13/49 offset spokes](https://cheapcadtools.com/samples/sprockets/yz250f-13x49/): Short motocross gearing: a 49T aluminium rear with six tapered spokes, each rim end turned 7° round of its hub end, on the Japanese motocross pattern (6 × 8.5 mm on 150, 125 mm centre). Open: https://cheapcadtools.com/tools/sprocket/?chain=520&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=13&dual=1&links=112&s2_part=rear&s2_teeth=49&s2_bcd=150&s2_bolts=6&s2_bolt_d=8.5&s2_bore=125&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=172&s2_spokes_rim_depth=15&s2_spokes_width=15&s2_spokes_sweep=7.05&s2_spokes_fillet_tip=2&s2_spokes_fillet_base=1.8&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 520 motorcycle roller chain (ISO 10190), 112 chain links. Sprocket 1: 13 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 49 teeth, a rear sprocket; a 150 mm bolt circle (BCD) with 6 bolts, 8.5 mm holes; a 125 mm centre bore; spokes: tapered spokes, 6 of them, Hub OD 172 mm, Rim Depth 15 mm, Width at Rim 15 mm, Angle Offset 7.05°, Fillet at Rim 2 mm, Fillet at Hub 1.8 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [13/48 · 520, KTM 350 EXC-F · 13/48](https://cheapcadtools.com/samples/sprockets/ktm350-13x48/): Enduro gearing: a 48T aluminium rear with six spokes tapering from 22 mm at the hub to 14 mm at the rim, on KTM's pattern (6 × 8.5 mm on 150, 125 mm centre). Open: https://cheapcadtools.com/tools/sprocket/?chain=520&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=13&dual=1&links=112&s2_part=rear&s2_teeth=48&s2_bcd=150&s2_bolts=6&s2_bolt_d=8.5&s2_bore=125&s2_spokes=1&s2_spokes_shape=tapered&s2_spokes_count=6&s2_spokes_hub_od=172&s2_spokes_rim_depth=7&s2_spokes_width=14&s2_spokes_hub_width=22&s2_spokes_fillet_tip=4&s2_spokes_fillet_base=5&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 520 motorcycle roller chain (ISO 10190), 112 chain links. Sprocket 1: 13 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 48 teeth, a rear sprocket; a 150 mm bolt circle (BCD) with 6 bolts, 8.5 mm holes; a 125 mm centre bore; spokes: tapered spokes, 6 of them, Hub OD 172 mm, Rim Depth 7 mm, Width at Rim 14 mm, Width at Hub 22 mm, Fillet at Rim 4 mm, Fillet at Hub 5 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [15/45 · 525, ZX-6R · 15/45 swept](https://cheapcadtools.com/samples/sprockets/zx6r-15x45/): Track gearing two teeth shorter than stock, on 525 chain: a 45T aluminium rear with six swept spokes, on the ZX-6R's pattern (6 × 8.5 mm on 100). Open: https://cheapcadtools.com/tools/sprocket/?chain=525&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=15&dual=1&links=110&s2_part=rear&s2_teeth=45&s2_bcd=100&s2_bolts=6&s2_bolt_d=8.5&s2_bore=87.5&s2_spokes=1&s2_spokes_shape=curved&s2_spokes_count=6&s2_spokes_hub_od=124&s2_spokes_rim_depth=10&s2_spokes_width=14&s2_spokes_fillet_tip=3&s2_spokes_fillet_base=4&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 525 motorcycle roller chain (ISO 10190), 110 chain links. Sprocket 1: 15 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 45 teeth, a rear sprocket; a 100 mm bolt circle (BCD) with 6 bolts, 8.5 mm holes; an 87.5 mm centre bore; spokes: curved spokes, 6 of them, Hub OD 124 mm, Rim Depth 10 mm, Spoke Width 14 mm, Fillet at Rim 3 mm, Fillet at Hub 4 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [13/51 · 520, KX450 · 13/51 mud](https://cheapcadtools.com/samples/sprockets/kx450-13x51/): Mud-race gearing: a 51T steel rear with a notch at the bottom of every tooth gap to shed packed mud, and six wide spokes, on the Japanese motocross pattern (6 × 8.5 mm on 150, 125 mm centre). Open: https://cheapcadtools.com/tools/sprocket/?chain=520&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=13&dual=1&links=112&s2_part=rear&s2_teeth=51&s2_bcd=150&s2_bolts=6&s2_bolt_d=8.5&s2_bore=125&s2_mud_relief=1&s2_spokes=1&s2_spokes_shape=straight&s2_spokes_count=6&s2_spokes_hub_od=172&s2_spokes_rim_depth=13&s2_spokes_width=18&s2_spokes_fillet_tip=6&s2_spokes_fillet_base=6&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 520 motorcycle roller chain (ISO 10190), 112 chain links. Sprocket 1: 13 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 51 teeth, a rear sprocket; a 150 mm bolt circle (BCD) with 6 bolts, 8.5 mm holes; a 125 mm centre bore; mud-relief notches; spokes: straight spokes, 6 of them, Hub OD 172 mm, Rim Depth 13 mm, Spoke Width 18 mm, Fillet at Rim 6 mm, Fillet at Hub 6 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [15/47 · 520, R6 · 15/47 lattice](https://cheapcadtools.com/samples/sprockets/r6-15x47/): A 520 conversion for an R6 on Marchesini wheels: a 47T aluminium rear whose ten forked spokes cross into a lattice, on Marchesini's five-bolt pattern (5 × 10 mm on 100, 76 mm centre). Open: https://cheapcadtools.com/tools/sprocket/?chain=520&part=front&front_hold=nut&spline_type=involute&spline_m=1&spline_z=20&spline_pa=30&teeth=15&dual=1&links=110&s2_part=rear&s2_teeth=47&s2_bcd=100&s2_bolts=5&s2_bolt_d=10&s2_bore=76&s2_spokes=1&s2_spokes_shape=overlapping&s2_spokes_count=10&s2_spokes_hub_od=124&s2_spokes_rim_depth=12&s2_spokes_width=11&s2_spokes_fillet_tip=3&s2_spokes_fillet_base=3&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on 520 motorcycle roller chain (ISO 10190), 110 chain links. Sprocket 1: 15 teeth, a front (countershaft) sprocket held by a nut and tab washer; an ISO 4156 involute spline bore, module 1, 20 teeth, 30° pressure angle (a sample spline: use your bike's). Sprocket 2: 47 teeth, a rear sprocket; a 100 mm bolt circle (BCD) with 5 bolts, 10 mm holes; a 76 mm centre bore; spokes: overlapping spokes, 10 of them, Hub OD 124 mm, Rim Depth 12 mm, Spoke Width 11 mm, Fillet at Rim 3 mm, Fillet at Hub 3 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Industrial ANSI 35 · 13/26, 13/26 · ANSI 35](https://cheapcadtools.com/samples/sprockets/ind-35-13x26/): Stock-style: Type B hubs, keyed bores, two set screws each. Open: https://cheapcadtools.com/tools/sprocket/?chain=35&teeth=13&bore=12&key_w=4&key_h=1.8&hub=one&hub_d=26&hub_len=16&hub_screw_size=M4&hub_screw_count=2&s2_teeth=26&s2_bore=16&s2_key_w=5&s2_key_h=2.3&s2_hub=one&s2_hub_d=32&s2_hub_len=18&s2_hub_screw_size=M5&s2_hub_screw_count=2&dual=1¢re=300&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ANSI 35 roller chain, about 300 mm between centres. Sprocket 1: 13 teeth, a sprocket; a 12 mm bore; a keyway 4 mm wide and 1.8 mm deep; a hub on one side, 26 mm across and 16 mm long; 2 M4 set screws. Sprocket 2: 26 teeth, a sprocket; a 16 mm bore; a keyway 5 mm wide and 2.3 mm deep; a hub on one side, 32 mm across and 18 mm long; 2 M5 set screws. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Industrial ANSI 40 · 15/45, ISO 14 splines, 15/45 · ANSI 40, ISO 14 splines](https://cheapcadtools.com/samples/sprockets/ind-40-15x45/): A 3 : 1 conveyor reduction on straight-sided splined shafts, each retaining ring flush in a counterbore. Open: https://cheapcadtools.com/tools/sprocket/?chain=40&teeth=15&hub=one&hub_d=38&hub_len=22&spline_type=straight&spline_n=6&spline_minor=23&spline_major=26&spline_width=6&spline_ring_top=1&spline_cb_top=1&s2_teeth=45&s2_hub=one&s2_hub_d=48&s2_hub_len=25&s2_spline_type=straight&s2_spline_n=6&s2_spline_minor=28&s2_spline_major=32&s2_spline_width=7&s2_spline_ring_top=1&s2_spline_cb_top=1&dual=1¢re=500&show_shaft=1&s2_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ANSI 40 roller chain, about 500 mm between centres. Sprocket 1: 15 teeth, a sprocket; an ISO 14 straight-sided spline bore: 6 splines, minor diameter 23 mm, major 26 mm, width 6 mm; a DIN 471 retaining ring on the top face, each in a counterbore so it sits flush; a hub on one side, 38 mm across and 22 mm long. Sprocket 2: 45 teeth, a sprocket; an ISO 14 straight-sided spline bore: 6 splines, minor diameter 28 mm, major 32 mm, width 7 mm; a DIN 471 retaining ring on the top face, each in a counterbore so it sits flush; a hub on one side, 48 mm across and 25 mm long. Check the design, apply any Auto-fix it suggests, then export both sprockets and both sample shafts as STL and give me the download link. - [Industrial ANSI 50-2 duplex · 17/34, ISO 4156 splines, 17/34 · ANSI 50-2 duplex, ISO 4156 splines](https://cheapcadtools.com/samples/sprockets/ind-50-17x34/): Two rows of teeth for two-strand ⅝" chain, on involute splined shafts; each ring sits on the face over a splined washer, no counterbore. Open: https://cheapcadtools.com/tools/sprocket/?chain=50&teeth=17&strands=2&hub=one&hub_d=40&hub_len=28&spline_type=involute&spline_m=1.25&spline_z=18&spline_pa=30&spline_ring_top=1&spline_cb_top=0&spline_washer=1&s2_teeth=34&s2_strands=2&s2_hub=one&s2_hub_d=50&s2_hub_len=30&s2_spline_type=involute&s2_spline_m=1.5&s2_spline_z=20&s2_spline_pa=30&s2_spline_ring_top=1&s2_spline_cb_top=0&s2_spline_washer=1&dual=1¢re=500&show_shaft=1&s2_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ANSI 50 (the 530 motorcycle size) roller chain, 2 strands (duplex, both sprockets), about 500 mm between centres. Sprocket 1: 17 teeth, a sprocket; an ISO 4156 involute spline bore: module 1.25, 18 teeth, 30° pressure angle; a DIN 471 retaining ring on the top face, without a counterbore (the ring sits on the face); a splined washer under each ring; a hub on one side, 40 mm across and 28 mm long. Sprocket 2: 34 teeth, a sprocket; an ISO 4156 involute spline bore: module 1.5, 20 teeth, 30° pressure angle; a DIN 471 retaining ring on the top face, without a counterbore (the ring sits on the face); a splined washer under each ring; a hub on one side, 50 mm across and 30 mm long. Check the design, apply any Auto-fix it suggests, then export both sprockets and both sample shafts and the splined washers as STL and give me the download link. - [Industrial ANSI 60 · 19/57, ISO 14 splines, 19/57 · ANSI 60, ISO 14 splines](https://cheapcadtools.com/samples/sprockets/ind-60-19x57/): A 3 : 1 drive with a cast-style 57T wheel (a 22 mm deep rim, six 36 mm spokes) on straight-sided splined shafts, rings flush in counterbores on both faces. Open: https://cheapcadtools.com/tools/sprocket/?chain=60&teeth=19&hub=one&hub_d=50&hub_len=35&spline_type=straight&spline_n=8&spline_minor=32&spline_major=36&spline_width=6&spline_ring_top=1&spline_cb_top=1&spline_ring_bottom=1&spline_cb_bottom=1&s2_teeth=57&s2_hub=one&s2_hub_len=40&s2_spokes=1&s2_spokes_shape=straight&s2_spokes_count=6&s2_spokes_hub_od=110&s2_spokes_rim_depth=22&s2_spokes_width=36&s2_spline_type=straight&s2_spline_n=8&s2_spline_minor=42&s2_spline_major=46&s2_spline_width=8&s2_spline_ring_top=1&s2_spline_cb_top=1&s2_spline_ring_bottom=1&s2_spline_cb_bottom=1&dual=1¢re=800&show_shaft=1&s2_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ANSI 60 roller chain, about 800 mm between centres. Sprocket 1: 19 teeth, a sprocket; an ISO 14 straight-sided spline bore: 8 splines, minor diameter 32 mm, major 36 mm, width 6 mm; DIN 471 retaining rings on both faces, each in a counterbore so it sits flush; a hub on one side, 50 mm across and 35 mm long. Sprocket 2: 57 teeth, a sprocket; an ISO 14 straight-sided spline bore: 8 splines, minor diameter 42 mm, major 46 mm, width 8 mm; DIN 471 retaining rings on both faces, each in a counterbore so it sits flush; a hub on one side, 40 mm long; spokes: straight spokes, 6 of them, Hub OD 110 mm, Rim Depth 22 mm, Spoke Width 36 mm. Check the design, apply any Auto-fix it suggests, then export both sprockets and both sample shafts as STL and give me the download link. - [Industrial ANSI 80-3 triplex · 21/42, 21/42 · ANSI 80-3 triplex](https://cheapcadtools.com/samples/sprockets/ind-80-21x42/): Three rows of teeth for three-strand 1" chain. Open: https://cheapcadtools.com/tools/sprocket/?chain=80&teeth=21&bore=45&key_w=14&key_h=3.8&hub=one&hub_d=80&hub_len=45&hub_screw_size=M10&hub_screw_count=2&strands=3&s2_teeth=42&s2_bore=55&s2_key_w=16&s2_key_h=4.3&s2_hub=one&s2_hub_d=95&s2_hub_len=50&s2_hub_screw_size=M10&s2_hub_screw_count=2&s2_strands=3&dual=1¢re=1000&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ANSI 80 roller chain, 3 strands (triplex, both sprockets), about 1000 mm between centres. Sprocket 1: 21 teeth, a sprocket; a 45 mm bore; a keyway 14 mm wide and 3.8 mm deep; a hub on one side, 80 mm across and 45 mm long; 2 M10 set screws. Sprocket 2: 42 teeth, a sprocket; a 55 mm bore; a keyway 16 mm wide and 4.3 mm deep; a hub on one side, 95 mm across and 50 mm long; 2 M10 set screws. Check the design, apply any Auto-fix it suggests, then export both sprockets as STL and give me the download link. - [Industrial ISO 08B · 17/38, ISO 4156 splines, 17/38 · ISO 08B, ISO 4156 splines](https://cheapcadtools.com/samples/sprockets/ind-08b-17x38/): The European ½" chain on involute splined shafts, rings on both faces with no counterbore. Open: https://cheapcadtools.com/tools/sprocket/?chain=08B&teeth=17&hub=one&hub_d=36&hub_len=25&spline_type=involute&spline_m=1&spline_z=22&spline_pa=30&spline_ring_top=1&spline_cb_top=0&spline_ring_bottom=1&spline_cb_bottom=0&s2_teeth=38&s2_hub=one&s2_hub_d=46&s2_hub_len=28&s2_spline_type=involute&s2_spline_m=1.25&s2_spline_z=24&s2_spline_pa=30&s2_spline_ring_top=1&s2_spline_cb_top=0&s2_spline_ring_bottom=1&s2_spline_cb_bottom=0&dual=1¢re=500&show_shaft=1&s2_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-sprocket drive in Sprocket Designer on ISO 08B roller chain, about 500 mm between centres. Sprocket 1: 17 teeth, a sprocket; an ISO 4156 involute spline bore: module 1, 22 teeth, 30° pressure angle; DIN 471 retaining rings on both faces, without a counterbore (the ring sits on the face); a hub on one side, 36 mm across and 25 mm long. Sprocket 2: 38 teeth, a sprocket; an ISO 4156 involute spline bore: module 1.25, 24 teeth, 30° pressure angle; DIN 471 retaining rings on both faces, without a counterbore (the ring sits on the face); a hub on one side, 46 mm across and 28 mm long. Check the design, apply any Auto-fix it suggests, then export both sprockets and both sample shafts as STL and give me the download link. ## Gear samples (each link opens the set in the Gear Designer) - [18T : 60T · 20 DP on ½" hex](https://cheapcadtools.com/samples/gears/robot-20dp-18x60-hex/): A 3.33 : 1 robot gearbox stage: 20 DP gears on ½" hex shafts, held by retaining rings. Open: https://cheapcadtools.com/tools/gears/?family=dp&size=20&teeth=18&x=0.05&face=12.7&bore_shape=spline&spline_type=hex&spline_af=12.7&spline_series=inch&spline_ring_top=1&spline_cb_top=0&dual=1&g2_teeth=60&g2_x=-0.05&g2_bore_shape=spline&g2_spline_type=hex&g2_spline_af=12.7&g2_spline_series=inch&g2_spline_ring_top=1&g2_spokes=1&g2_spokes_count=5&g2_spokes_hub_od=24&g2_spokes_width=6&g2_spokes_rim_depth=7&g2_spokes_fillet_tip=2&g2_spokes_fillet_base=3&spline_show_shaft=1&g2_spline_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: diametral pitch 20, face width 12.7 mm. Gear 1: 18 teeth, profile shift x = 0.05, a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top face, no counterbore. Gear 2: 60 teeth, profile shift x = -0.05, a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top face, spokes: 5 of them, Hub OD 24 mm, Width 6 mm, Rim Depth 7 mm, Fillets 2 mm at the rim and 3 mm at the hub. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [14T : 84T · 6 : 1 arm stage](https://cheapcadtools.com/samples/gears/robot-20dp-14x84-arm/): A 6 : 1 arm reduction: a pinion on an 8 mm keyed motor shaft into an 84-tooth, six-spoke gear on ½" hex. Open: https://cheapcadtools.com/tools/gears/?family=dp&size=20&teeth=14&x=0.3&face=12.7&bore=8&bore_shape=keyway&key_w=2&key_h=1&dual=1&g2_teeth=84&g2_x=-0.3&g2_bore_shape=spline&g2_spline_type=hex&g2_spline_af=12.7&g2_spline_series=inch&g2_spline_ring_top=1&g2_spokes=1&g2_spokes_count=6&g2_spokes_hub_od=30&g2_spokes_width=6&g2_spokes_rim_depth=8&g2_spokes_fillet_tip=1.5&g2_spokes_fillet_base=4&g2_hub=one&g2_hub_d=30&g2_hub_len=8&g2_hub_pins=4&g2_hub_pin_d=3&g2_spline_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: diametral pitch 20, face width 12.7 mm. Gear 1: 14 teeth, profile shift x = 0.3, an 8 mm bore with a keyway 2 mm wide and 1 mm deep. Gear 2: 84 teeth, profile shift x = -0.3, a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top face, a hub on one face, Hub OD 30 mm, Hub Height 8 mm, spokes: 6 of them, Hub OD 30 mm, Width 6 mm, Rim Depth 8 mm, Fillets 1.5 mm at the rim and 4 mm at the hub, 4 hub pins of 3 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [16T : 48T · herringbone, 8 mm D-flat](https://cheapcadtools.com/samples/gears/robot-herringbone-m15-16x48/): Quiet, thrust-free herringbone gears for a robot joint: 3 : 1 on 8 mm D-flat shafts. Open: https://cheapcadtools.com/tools/gears/?size=1.5&teeth=16&gear_type=herringbone&helix=30&face=12&bore=8&bore_shape=dflat&bore_flat=0.5&dual=1&g2_teeth=48&g2_bore=8&g2_bore_shape=dflat&g2_bore_flat=0.5&g2_spokes=1&g2_spokes_count=5&g2_spokes_hub_od=20&g2_spokes_width=5&g2_spokes_rim_depth=7&g2_spokes_fillet_tip=3&g2_spokes_fillet_base=3&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 1.5 mm, herringbone, helix angle 30°, face width 12 mm. Gear 1: 16 teeth, an 8 mm bore, D-flat 0.5 mm deep. Gear 2: 48 teeth, an 8 mm bore, D-flat 0.5 mm deep, spokes: 5 of them, Hub OD 20 mm, Width 5 mm, Rim Depth 7 mm, Fillets 3 mm at the rim and 3 mm at the hub. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [15T : 45T · NEMA 17 reducer](https://cheapcadtools.com/samples/gears/nema17-m1-15x45/): A 3 : 1 printed reduction for a NEMA 17 stepper: the pinion on its 5 mm D-flat shaft. Open: https://cheapcadtools.com/tools/gears/?size=1&teeth=15&x=0.25&face=8&bore=5&bore_shape=dflat&bore_flat=0.5&hub=one&hub_d=12&hub_len=8&hub_screw_size=M3&hub_screw_count=1&hub_screw_hold=thread&dual=1&g2_teeth=45&g2_x=-0.25&g2_bore=8&g2_spokes=1&g2_spokes_count=4&g2_spokes_hub_od=16&g2_spokes_width=4&g2_spokes_rim_depth=5&g2_spokes_fillet_tip=0.5&g2_spokes_fillet_base=1&g2_spokes_height=4&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 1 mm, face width 8 mm. Gear 1: 15 teeth, profile shift x = 0.25, a 5 mm bore, D-flat 0.5 mm deep, a hub on one face, Hub OD 12 mm, Hub Height 8 mm, 1 M3 set screw in a tapped hole. Gear 2: 45 teeth, profile shift x = -0.25, an 8 mm bore, spokes: 4 of them, Hub OD 16 mm, Width 4 mm, Rim Depth 5 mm, Fillets 0.5 mm at the rim and 1 mm at the hub, Spoke Height 4 mm (a thinned web). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [16T : 80T · 5 : 1 extruder](https://cheapcadtools.com/samples/gears/extruder-m1-16x80/): An extruder's 5 : 1 reduction: a 16-tooth pinion, profile-shifted so it isn't undercut. Open: https://cheapcadtools.com/tools/gears/?size=1&teeth=16&x=0.2&face=7&bore=5&bore_shape=dflat&bore_flat=0.5&dual=1&g2_teeth=80&g2_bore=8&g2_hub=one&g2_hub_d=18&g2_hub_len=8&g2_hub_screw_size=M3&g2_hub_screw_count=1&g2_hub_screw_hold=nut&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 1 mm, face width 7 mm. Gear 1: 16 teeth, profile shift x = 0.2, a 5 mm bore, D-flat 0.5 mm deep. Gear 2: 80 teeth, an 8 mm bore, a hub on one face, Hub OD 18 mm, Hub Height 8 mm, 1 M3 set screw with a captured nut. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [13T : 39T · printed herringbone](https://cheapcadtools.com/samples/gears/printed-herringbone-m2-13x39/): The classic printable herringbone pair: self-centring, 3 : 1, spoked. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=13&gear_type=herringbone&helix=30&face=12&bore=8&dual=1&g2_teeth=39&g2_bore=8&g2_spokes=1&g2_spokes_count=6&g2_spokes_hub_od=20&g2_spokes_width=5&g2_spokes_rim_depth=9&g2_spokes_fillet_tip=4&g2_spokes_fillet_base=6&g2_spokes_height=6&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 2 mm, herringbone, helix angle 30°, face width 12 mm. Gear 1: 13 teeth, an 8 mm bore. Gear 2: 39 teeth, an 8 mm bore, spokes: 6 of them, Hub OD 20 mm, Width 5 mm, Rim Depth 9 mm, Fillets 4 mm at the rim and 6 mm at the hub, Spoke Height 6 mm (a thinned web). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T : 40T · hubs, nuts and inserts](https://cheapcadtools.com/samples/gears/printed-hubs-m15-20x40/): Two ways to hold a printed gear: captured nuts on the pinion, heat-set inserts on the gear. Open: https://cheapcadtools.com/tools/gears/?size=1.5&teeth=20&face=10&bore=6&hub=one&hub_d=22&hub_len=10&hub_screw_size=M3&hub_screw_count=2&hub_screw_hold=nut&dual=1&g2_teeth=40&g2_bore=8&g2_hub=one&g2_hub_d=24&g2_hub_len=10&g2_hub_screw_size=M3&g2_hub_screw_count=2&g2_hub_screw_hold=insert&g2_hub_screw_hole_dia=4&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 1.5 mm, face width 10 mm. Gear 1: 20 teeth, a 6 mm bore, a hub on one face, Hub OD 22 mm, Hub Height 10 mm, 2 M3 set screws with captured nuts. Gear 2: 40 teeth, an 8 mm bore, a hub on one face, Hub OD 24 mm, Hub Height 10 mm, 2 M3 set screws in heat-set inserts (insert hole 4 mm). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T : 60T · module 3, keyed](https://cheapcadtools.com/samples/gears/spur-m3-20x60-keyway/): A 3 : 1 module 3 spur pair on DIN 6885 keyed shafts, a hub on each gear. Open: https://cheapcadtools.com/tools/gears/?size=3&teeth=20&face=25&bore=20&bore_shape=keyway&key_w=6&key_h=2.8&hub=one&hub_d=40&hub_len=20&hub_screw_size=M6&hub_screw_hold=thread&dual=1&g2_teeth=60&g2_bore=30&g2_bore_shape=keyway&g2_key_w=8&g2_key_h=3.3&g2_hub=one&g2_hub_d=55&g2_hub_len=20&g2_hub_screw_size=M6&g2_hub_screw_hold=thread&g2_spokes=1&g2_spokes_count=6&g2_spokes_hub_od=55&g2_spokes_width=16&g2_spokes_rim_depth=16&g2_spokes_fillet_tip=3&g2_spokes_fillet_base=5&g2_spokes_height=12&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 3 mm, face width 25 mm. Gear 1: 20 teeth, a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep, a hub on one face, Hub OD 40 mm, Hub Height 20 mm, 1 M6 set screw in a tapped hole. Gear 2: 60 teeth, a 30 mm bore with a keyway 8 mm wide and 3.3 mm deep, a hub on one face, Hub OD 55 mm, Hub Height 20 mm, 1 M6 set screw in a tapped hole, spokes: 6 of them, Hub OD 55 mm, Width 16 mm, Rim Depth 16 mm, Fillets 3 mm at the rim and 5 mm at the hub, Spoke Height 12 mm (a thinned web). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [18T : 54T · 20° helical](https://cheapcadtools.com/samples/gears/helical-m2-18x54/): A quiet 3 : 1 helical pair, 20° helix, keyed bores; the teeth overlap for a smooth mesh. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=18&gear_type=helical&helix=20&hand=right&face=20&bore=12&bore_shape=keyway&key_w=4&key_h=1.8&dual=1&g2_teeth=54&g2_bore=20&g2_bore_shape=keyway&g2_key_w=6&g2_key_h=2.8&g2_spokes=1&g2_spokes_count=5&g2_spokes_hub_od=36&g2_spokes_width=10&g2_spokes_rim_depth=12&g2_spokes_fillet_tip=2&g2_spokes_fillet_base=4&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 2 mm, helical, helix angle 20°, gear 1 right-handed, face width 20 mm. Gear 1: 18 teeth, a 12 mm bore with a keyway 4 mm wide and 1.8 mm deep. Gear 2: 54 teeth, a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep, spokes: 5 of them, Hub OD 36 mm, Width 10 mm, Rim Depth 12 mm, Fillets 2 mm at the rim and 4 mm at the hub. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [17T : 34T · ISO 14 splines, rack B](https://cheapcadtools.com/samples/gears/high-torque-m4-17x34-iso14/): A high-torque module 4 pair on ISO 14 splined shafts, cut to ISO 53 basic rack B. Open: https://cheapcadtools.com/tools/gears/?size=4&teeth=17&x=0.1&rack=B&face=30&bore_shape=spline&spline_type=straight&spline_n=6&spline_minor=23&spline_major=26&spline_width=6&spline_ring_top=1&spline_ring_bottom=1&dual=1&g2_teeth=34&g2_x=-0.1&g2_bore_shape=spline&g2_spline_type=straight&g2_spline_n=6&g2_spline_minor=32&g2_spline_major=36&g2_spline_width=8&g2_spline_ring_top=1&g2_spline_ring_bottom=1&spline_show_shaft=1&g2_spline_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 4 mm, ISO 53 basic rack B, face width 30 mm. Gear 1: 17 teeth, profile shift x = 0.1, an ISO 14 straight spline bore, N 6, d 23 mm, D 26 mm, B 6 mm, a retaining ring on the top face, a retaining ring on the bottom face. Gear 2: 34 teeth, profile shift x = -0.1, an ISO 14 straight spline bore, N 6, d 32 mm, D 36 mm, B 8 mm, a retaining ring on the top face, a retaining ring on the bottom face. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [24T : 48T · helical on ISO 4156 splines](https://cheapcadtools.com/samples/gears/helical-m25-24x48-iso4156/): A 2 : 1 helical pair on involute (ISO 4156) splines, retaining rings over splined washers. Open: https://cheapcadtools.com/tools/gears/?size=2.5&teeth=24&gear_type=helical&helix=15&face=20&bore_shape=spline&spline_type=involute&spline_m=1&spline_z=20&spline_ring_top=1&spline_washer=1&dual=1&g2_teeth=48&g2_bore_shape=spline&g2_spline_type=involute&g2_spline_m=1.25&g2_spline_z=24&g2_spline_ring_top=1&g2_spline_washer=1&spline_show_shaft=1&g2_spline_show_shaft=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 2.5 mm, helical, helix angle 15°, face width 20 mm. Gear 1: 24 teeth, an ISO 4156 involute spline bore, module 1 mm, 20 teeth, a retaining ring on the top face, a splined washer under each ring. Gear 2: 48 teeth, an ISO 4156 involute spline bore, module 1.25 mm, 24 teeth, a retaining ring on the top face, a splined washer under each ring. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [15T : 45T · 25° pressure angle](https://cheapcadtools.com/samples/gears/pa25-m3-15x45/): 25° teeth: stronger roots and a 15-tooth pinion that needs no profile shift. Open: https://cheapcadtools.com/tools/gears/?size=3&teeth=15&form=25&face=24&bore=15&bore_shape=keyway&key_w=5&key_h=2.3&dual=1&g2_teeth=45&g2_bore=25&g2_bore_shape=keyway&g2_key_w=8&g2_key_h=3.3&g2_hub=one&g2_hub_d=55&g2_hub_len=15&g2_hub_pins=6&g2_hub_pin_d=5&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 3 mm, 25° pressure angle, face width 24 mm. Gear 1: 15 teeth, a 15 mm bore with a keyway 5 mm wide and 2.3 mm deep. Gear 2: 45 teeth, a 25 mm bore with a keyway 8 mm wide and 3.3 mm deep, a hub on one face, Hub OD 55 mm, Hub Height 15 mm, 6 hub pins of 5 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [24T : 36T · 20° stub teeth](https://cheapcadtools.com/samples/gears/stub-m2-24x36/): Short, stout 20° stub teeth for shock loads: a 1.5 : 1 pair. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=24&form=stub20&face=16&bore=12&bore_shape=dflat&bore_flat=1&dual=1&g2_teeth=36&g2_bore=15&g2_bore_shape=dflat&g2_bore_flat=1&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 2 mm, 20° stub teeth, face width 16 mm. Gear 1: 24 teeth, a 12 mm bore, D-flat 1 mm deep. Gear 2: 36 teeth, a 15 mm bore, D-flat 1 mm deep. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [12T : 28T · profile-shifted](https://cheapcadtools.com/samples/gears/shifted-m2-12x28/): Profile shift at work: a 12-tooth pinion without undercut, the centre distance stretched from 40 to 41.75 mm. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=12&x=0.5&face=14&bore=8&dual=1&g2_teeth=28&g2_x=0.5&g2_bore=12&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 2 mm, face width 14 mm. Gear 1: 12 teeth, profile shift x = 0.5, an 8 mm bore. Gear 2: 28 teeth, profile shift x = 0.5, a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [40T : 80T · precision, rack D](https://cheapcadtools.com/samples/gears/precision-m1-40x80-rackd/): A precision 2 : 1 pair: ISO 53 rack D, tight DIN 3967 backlash, hub pins to a mating part. Open: https://cheapcadtools.com/tools/gears/?size=1&teeth=40&rack=D&allowance=24e&face=10&bore=10&hub=one&hub_d=24&hub_len=8&hub_pins=3&hub_pin_d=3&dual=1&g2_teeth=80&g2_allowance=24e&g2_bore=12&g2_hub=one&g2_hub_d=30&g2_hub_len=8&g2_hub_pins=4&g2_hub_pin_d=4&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 1 mm, ISO 53 basic rack D, face width 10 mm. Gear 1: 40 teeth, DIN 3967 backlash allowance 24e, a 10 mm bore, a hub on one face, Hub OD 24 mm, Hub Height 8 mm, 3 hub pins of 3 mm. Gear 2: 80 teeth, DIN 3967 backlash allowance 24e, a 12 mm bore, a hub on one face, Hub OD 30 mm, Hub Height 8 mm, 4 hub pins of 4 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T : 40T · 10 DP, 14½°](https://cheapcadtools.com/samples/gears/dp10-145-20x40/): The classic catalogue pair: 10 DP, 14½° pressure angle, keyed inch bores and hubs. Open: https://cheapcadtools.com/tools/gears/?family=dp&size=10&form=14.5&teeth=20&x=0.45&face=25.4&bore=15.875&bore_shape=keyway&key_w=4.7625&key_h=2.38&hub=one&hub_d=38&hub_len=19&hub_screw_size=1%2F4-20&dual=1&g2_teeth=40&g2_bore=19.05&g2_bore_shape=keyway&g2_key_w=4.7625&g2_key_h=2.38&g2_hub=one&g2_hub_d=44&g2_hub_len=19&g2_hub_screw_size=1%2F4-20&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: diametral pitch 10, 14.5° pressure angle, face width 25.4 mm. Gear 1: 20 teeth, profile shift x = 0.45, a 15.875 mm bore with a keyway 4.7625 mm wide and 2.38 mm deep, a hub on one face, Hub OD 38 mm, Hub Height 19 mm, 1 1/4-20 set screw in a tapped hole. Gear 2: 40 teeth, a 19.05 mm bore with a keyway 4.7625 mm wide and 2.38 mm deep, a hub on one face, Hub OD 44 mm, Hub Height 19 mm, 1 1/4-20 set screw in a tapped hole. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [30T : 90T · 24 DP, ¼" bores](https://cheapcadtools.com/samples/gears/dp24-30x90/): A 3 : 1 instrument pair in 24 DP on ¼" shafts, #4-40 set screws. Open: https://cheapcadtools.com/tools/gears/?family=dp&size=24&teeth=30&face=6.35&bore=6.35&hub=one&hub_d=16&hub_len=8&hub_screw_size=%234-40&dual=1&g2_teeth=90&g2_bore=6.35&g2_hub=one&g2_hub_d=16&g2_hub_len=8&g2_hub_screw_size=%234-40&g2_spokes=1&g2_spokes_count=4&g2_spokes_hub_od=16&g2_spokes_width=5&g2_spokes_rim_depth=7&g2_spokes_fillet_tip=1&g2_spokes_fillet_base=2&g2_spokes_height=3&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: diametral pitch 24, face width 6.35 mm. Gear 1: 30 teeth, a 6.35 mm bore, a hub on one face, Hub OD 16 mm, Hub Height 8 mm, 1 #4-40 set screw in a tapped hole. Gear 2: 90 teeth, a 6.35 mm bore, a hub on one face, Hub OD 16 mm, Hub Height 8 mm, 1 #4-40 set screw in a tapped hole, spokes: 4 of them, Hub OD 16 mm, Width 5 mm, Rim Depth 7 mm, Fillets 1 mm at the rim and 2 mm at the hub, Spoke Height 3 mm (a thinned web). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [16T : 32T · Fellows 8/10 stub](https://cheapcadtools.com/samples/gears/fellows-8-16x32/): Fellows stub teeth, 8/10 pitch: the short, strong form of machine-tool gearing. Open: https://cheapcadtools.com/tools/gears/?family=dp&size=8&form=fellows&teeth=16&face=19.05&bore=19.05&bore_shape=keyway&key_w=4.7625&key_h=2.38&dual=1&g2_teeth=32&g2_bore=25.4&g2_bore_shape=keyway&g2_key_w=6.35&g2_key_h=3.18&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: diametral pitch 8, Fellows stub teeth, face width 19.05 mm. Gear 1: 16 teeth, a 19.05 mm bore with a keyway 4.7625 mm wide and 2.38 mm deep. Gear 2: 32 teeth, a 25.4 mm bore with a keyway 6.35 mm wide and 3.18 mm deep. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [18T in a 72T ring · 4 : 1](https://cheapcadtools.com/samples/gears/ring-m1-18x72/): An internal (ring) gear and its pinion: compact, both turning the same way. Open: https://cheapcadtools.com/tools/gears/?size=1&teeth=18&x=0.1&face=8&bore=5&bore_shape=dflat&bore_flat=0.5&dual=1&g2_part=internal&g2_teeth=72&g2_x=-0.27&g2_rim_d=84&mode3d=1 Prompt: Using the CheapCADTools connector, design a pinion and ring gear drive in Gear Designer: module 1 mm, face width 8 mm. Gear 1: 18 teeth, profile shift x = 0.1, a 5 mm bore, D-flat 0.5 mm deep. Gear 2: 72 teeth, an internal (ring) gear, profile shift x = -0.27, rim outside diameter 84 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [16T in a 64T helical ring](https://cheapcadtools.com/samples/gears/ring-helical-m15-16x64/): A helical ring gear: the pinion and the ring share one hand. Open: https://cheapcadtools.com/tools/gears/?size=1.5&teeth=16&x=0.43&gear_type=helical&helix=15&face=12&bore=6&dual=1&g2_part=internal&g2_teeth=64&g2_rim_d=110&mode3d=1 Prompt: Using the CheapCADTools connector, design a pinion and ring gear drive in Gear Designer: module 1.5 mm, helical, helix angle 15°, face width 12 mm. Gear 1: 16 teeth, profile shift x = 0.43, a 6 mm bore. Gear 2: 64 teeth, an internal (ring) gear, rim outside diameter 110 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T in an 80T herringbone ring](https://cheapcadtools.com/samples/gears/ring-herringbone-m2-20x80/): A herringbone ring gear and pinion: no axial thrust, 4 : 1. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=20&gear_type=herringbone&helix=25&face=16&bore=10&dual=1&g2_part=internal&g2_teeth=80&g2_x=-0.1&g2_rim_d=192&mode3d=1 Prompt: Using the CheapCADTools connector, design a pinion and ring gear drive in Gear Designer: module 2 mm, herringbone, helix angle 25°, face width 16 mm. Gear 1: 20 teeth, a 10 mm bore. Gear 2: 80 teeth, an internal (ring) gear, profile shift x = -0.1, rim outside diameter 192 mm. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T pinion and rack · module 1.5](https://cheapcadtools.com/samples/gears/rack-m15-20T/): A linear drive: a module 1.5 rack, 94 mm of travel per pinion turn. Open: https://cheapcadtools.com/tools/gears/?size=1.5&teeth=20&face=10&bore=6&bore_shape=dflat&bore_flat=0.5&hub=one&hub_d=16&hub_len=10&hub_screw_size=M3&hub_screw_hold=nut&dual=1&g2_part=rack&g2_teeth=30&mode3d=1 Prompt: Using the CheapCADTools connector, design a rack and pinion in Gear Designer: module 1.5 mm, face width 10 mm. Gear 1: 20 teeth, a 6 mm bore, D-flat 0.5 mm deep, a hub on one face, Hub OD 16 mm, Hub Height 10 mm, 1 M3 set screw with a captured nut. Gear 2: 30 teeth, a rack. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [18T pinion and helical rack](https://cheapcadtools.com/samples/gears/rack-helical-m2-18T/): A helical rack and pinion: smoother and quieter linear motion, the teeth leaning 20°. Open: https://cheapcadtools.com/tools/gears/?size=2&teeth=18&gear_type=helical&helix=20&face=15&bore=8&dual=1&g2_part=rack&g2_teeth=24&mode3d=1 Prompt: Using the CheapCADTools connector, design a rack and pinion in Gear Designer: module 2 mm, helical, helix angle 20°, face width 15 mm. Gear 1: 18 teeth, an 8 mm bore. Gear 2: 24 teeth, a rack. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [24T : 96T · 4 : 1, a 294 mm spoked gear](https://cheapcadtools.com/samples/gears/large-m3-24x96-spoked/): A big six-spoke module 3 gear: a wide rim, a thinned web and a keyed hub with a set screw. Open: https://cheapcadtools.com/tools/gears/?size=3&teeth=24&face=20&bore=15&bore_shape=keyway&key_w=5&key_h=2.3&dual=1&g2_teeth=96&g2_bore=30&g2_bore_shape=keyway&g2_key_w=8&g2_key_h=3.3&g2_hub=one&g2_hub_d=70&g2_hub_len=25&g2_hub_screw_size=M8&g2_hub_screw_hold=thread&g2_spokes=1&g2_spokes_count=6&g2_spokes_hub_od=70&g2_spokes_width=18&g2_spokes_rim_depth=24&g2_spokes_fillet_tip=8&g2_spokes_fillet_base=12&g2_spokes_height=10&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 3 mm, face width 20 mm. Gear 1: 24 teeth, a 15 mm bore with a keyway 5 mm wide and 2.3 mm deep. Gear 2: 96 teeth, a 30 mm bore with a keyway 8 mm wide and 3.3 mm deep, a hub on one face, Hub OD 70 mm, Hub Height 25 mm, 1 M8 set screw in a tapped hole, spokes: 6 of them, Hub OD 70 mm, Width 18 mm, Rim Depth 24 mm, Fillets 8 mm at the rim and 12 mm at the hub, Spoke Height 10 mm (a thinned web). Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. - [20T : 60T · module 4 herringbone](https://cheapcadtools.com/samples/gears/large-herringbone-m4-20x60/): A heavy herringbone set, 3 : 1, the 285 mm gear spoked. Open: https://cheapcadtools.com/tools/gears/?size=4&teeth=20&gear_type=herringbone&helix=30&face=40&bore=25&bore_shape=keyway&key_w=8&key_h=3.3&dual=1&g2_teeth=60&g2_bore=40&g2_bore_shape=keyway&g2_key_w=12&g2_key_h=3.3&g2_spokes=1&g2_spokes_count=5&g2_spokes_hub_od=80&g2_spokes_width=24&g2_spokes_rim_depth=26&g2_spokes_fillet_tip=6&g2_spokes_fillet_base=10&mode3d=1 Prompt: Using the CheapCADTools connector, design a two-gear drive in Gear Designer: module 4 mm, herringbone, helix angle 30°, face width 40 mm. Gear 1: 20 teeth, a 25 mm bore with a keyway 8 mm wide and 3.3 mm deep. Gear 2: 60 teeth, a 40 mm bore with a keyway 12 mm wide and 3.3 mm deep, spokes: 5 of them, Hub OD 80 mm, Width 24 mm, Rim Depth 26 mm, Fillets 6 mm at the rim and 10 mm at the hub. Check the design, apply any Auto-fix it suggests, then export both gears as STL and give me the download link. ## Worm gear samples (each link opens the drive in the Worm Gear Designer) - [30 : 1 · module 2, one start](https://cheapcadtools.com/samples/worm-gears/starter-m2-1x30/): The starter drive: a single-start module 2 worm turning a 30-tooth throated wheel, 30 : 1. Open: https://cheapcadtools.com/tools/worm-gears/?size=2&z1=1&z2=30 Prompt: Using the CheapCADTools connector, design a 30 : 1 worm drive in Worm Gear Designer: axial module 2 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 30-tooth throated wheel. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [40 : 1 · module 1.5 on D-flat shafts](https://cheapcadtools.com/samples/worm-gears/printed-m15-1x40-dflat/): A printable 40 : 1 reduction on 5 mm and 8 mm D-flat shafts, with 0.1 mm print compensation on both parts. Open: https://cheapcadtools.com/tools/worm-gears/?size=1.5&z1=1&z2=40&worm_bore=5&worm_bore_shape=dflat&worm_bore_flat=0.5&wheel_bore=8&wheel_bore_shape=dflat&wheel_bore_flat=0.5&worm_comp=0.1&wheel_comp=0.1 Prompt: Using the CheapCADTools connector, design a 40 : 1 worm drive in Worm Gear Designer: axial module 1.5 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 40-tooth throated wheel. The worm: a 5 mm bore with a D-flat 0.5 mm deep, 3D-print compensation 0.1 mm. The wheel: an 8 mm bore with a D-flat 0.5 mm deep, 3D-print compensation 0.1 mm. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [20 : 1 · ZI two-start, M3 hub](https://cheapcadtools.com/samples/worm-gears/robot-zi-2x40-m3hub/): A two-start involute (ZI) worm and a plain 40-tooth wheel whose hub holds an M3 set screw in a captured nut. Open: https://cheapcadtools.com/tools/worm-gears/?size=2&z1=2&z2=40&q=11&profile=ZI&throated=0&wheel_hub=one&wheel_hub_screw_size=M3&wheel_hub_screw_hold=nut Prompt: Using the CheapCADTools connector, design a 20 : 1 worm drive in Worm Gear Designer: axial module 2 mm, 20° pressure angle, ZI thread profile, a 2-start right-hand worm, diameter factor q 11, a 40-tooth plain wheel. The wheel: a hub on one end, 2 M3 set screws with captured nuts. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [40 : 1 · module 3, keyed](https://cheapcadtools.com/samples/worm-gears/industrial-m3-1x40-keyway/): A module 3 single-start drive on keyed 12 mm and 20 mm shafts, the wheel throated to wrap the worm. Open: https://cheapcadtools.com/tools/worm-gears/?size=3&z1=1&z2=40&worm_bore=12&worm_bore_shape=keyway&worm_key_w=4&worm_key_h=1.8&wheel_bore=20&wheel_bore_shape=keyway&wheel_key_w=6&wheel_key_h=2.8 Prompt: Using the CheapCADTools connector, design a 40 : 1 worm drive in Worm Gear Designer: axial module 3 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 40-tooth throated wheel. The worm: a 12 mm bore with a keyway 4 mm wide and 1.8 mm deep. The wheel: a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [15 : 1 · normal module 4, ZI](https://cheapcadtools.com/samples/worm-gears/industrial-normal-m4-2x30/): A two-start involute worm sized in the normal system (m_n 4), on keyed 16 mm and 25 mm shafts. Open: https://cheapcadtools.com/tools/worm-gears/?system=normal&size=4&z1=2&z2=30&profile=ZI&worm_bore=16&worm_bore_shape=keyway&worm_key_w=5&worm_key_h=2.3&wheel_bore=25&wheel_bore_shape=keyway&wheel_key_w=8&wheel_key_h=3.3 Prompt: Using the CheapCADTools connector, design a 15 : 1 worm drive in Worm Gear Designer: normal module 4 mm, 20° pressure angle, ZI thread profile, a 2-start right-hand worm, a 30-tooth throated wheel. The worm: a 16 mm bore with a keyway 5 mm wide and 2.3 mm deep. The wheel: a 25 mm bore with a keyway 8 mm wide and 3.3 mm deep. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [50 : 1 · module 5, ground ZK](https://cheapcadtools.com/samples/worm-gears/industrial-zk-m5-1x50/): A module 5 worm with a disc-cutter-ground (ZK) thread driving a 50-tooth wheel on a keyed 30 mm shaft. Open: https://cheapcadtools.com/tools/worm-gears/?size=5&z1=1&z2=50&profile=ZK&worm_bore=20&wheel_bore=30&wheel_bore_shape=keyway&wheel_key_w=8&wheel_key_h=3.3 Prompt: Using the CheapCADTools connector, design a 50 : 1 worm drive in Worm Gear Designer: axial module 5 mm, 20° pressure angle, ZK thread profile, a 1-start right-hand worm, a 50-tooth throated wheel. The worm: a 20 mm bore. The wheel: a 30 mm bore with a keyway 8 mm wide and 3.3 mm deep. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [24 : 1 · 12 DP](https://cheapcadtools.com/samples/worm-gears/dp12-1x24/): A 12 DP single-start worm on a ¼" shaft driving a 24-tooth wheel on ½", Boston Gear style. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=12&z1=1&z2=24&worm_bore=6.35&wheel_bore=12.7 Prompt: Using the CheapCADTools connector, design a 24 : 1 worm drive in Worm Gear Designer: diametral pitch 12, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 24-tooth throated wheel. The worm: a 6.35 mm bore. The wheel: a 12.7 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [40 : 1 · 8 DP](https://cheapcadtools.com/samples/worm-gears/dp8-1x40/): An 8 DP worm on a ½" shaft and a 40-tooth wheel on ¾", keyed. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=8&z1=1&z2=40&worm_bore=12.7&wheel_bore=19.05&wheel_bore_shape=keyway&wheel_key_w=4.7625&wheel_key_h=2.4 Prompt: Using the CheapCADTools connector, design a 40 : 1 worm drive in Worm Gear Designer: diametral pitch 8, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 40-tooth throated wheel. The worm: a 12.7 mm bore. The wheel: a 19.05 mm bore with a keyway 4.7625 mm wide and 2.4 mm deep. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [15 : 1 · 16 DP two-start](https://cheapcadtools.com/samples/worm-gears/dp16-2x30/): A small 16 DP two-start pair: 15 : 1 on ⅛" and ⅜" shafts. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=16&z1=2&z2=30&worm_bore=3.175&wheel_bore=9.525 Prompt: Using the CheapCADTools connector, design a 15 : 1 worm drive in Worm Gear Designer: diametral pitch 16, 20° pressure angle, ZA thread profile, a 2-start right-hand worm, a 30-tooth throated wheel. The worm: a 3.175 mm bore. The wheel: a 9.525 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [6 : 1 · four starts](https://cheapcadtools.com/samples/worm-gears/fast-m2-4x24/): A four-start worm for a fast, efficient 6 : 1 drive that turns either way. Open: https://cheapcadtools.com/tools/worm-gears/?size=2&z1=4&z2=24&q=8&worm_bore=5&wheel_bore=8 Prompt: Using the CheapCADTools connector, design a 6 : 1 worm drive in Worm Gear Designer: axial module 2 mm, 20° pressure angle, ZA thread profile, a 4-start right-hand worm, diameter factor q 8, a 24-tooth throated wheel. The worm: a 5 mm bore. The wheel: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [5 : 1 · six starts](https://cheapcadtools.com/samples/worm-gears/fast-m15-6x30/): A six-start module 1.5 worm and a 30-tooth wheel: 5 : 1 at a steep lead angle. Open: https://cheapcadtools.com/tools/worm-gears/?size=1.5&z1=6&z2=30&q=10&worm_bore=4&wheel_bore=8 Prompt: Using the CheapCADTools connector, design a 5 : 1 worm drive in Worm Gear Designer: axial module 1.5 mm, 20° pressure angle, ZA thread profile, a 6-start right-hand worm, diameter factor q 10, a 30-tooth throated wheel. The worm: a 4 mm bore. The wheel: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [12 : 1 · 12 DP three-start](https://cheapcadtools.com/samples/worm-gears/fast-dp12-3x36/): A three-start 12 DP worm driving a 36-tooth wheel, 12 : 1, on ¼" and ½" shafts. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=12&z1=3&z2=36&worm_bore=6.35&wheel_bore=12.7 Prompt: Using the CheapCADTools connector, design a 12 : 1 worm drive in Worm Gear Designer: diametral pitch 12, 20° pressure angle, ZA thread profile, a 3-start right-hand worm, a 36-tooth throated wheel. The worm: a 6.35 mm bore. The wheel: a 12.7 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [50 : 1 lift · self-locking](https://cheapcadtools.com/samples/worm-gears/lift-m2-1x50-q20/): A slim single-start worm (q 20) whose small lead angle holds the load when the motor stops. Open: https://cheapcadtools.com/tools/worm-gears/?size=2&z1=1&z2=50&q=20&worm_bore=8&wheel_bore=12 Prompt: Using the CheapCADTools connector, design a 50 : 1 worm drive in Worm Gear Designer: axial module 2 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, diameter factor q 20, a 50-tooth throated wheel. The worm: an 8 mm bore. The wheel: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [60 : 1 indexer · module 1](https://cheapcadtools.com/samples/worm-gears/indexer-m1-1x60-q24/): A fine module 1 indexing drive: 60 : 1, self-locking, on 6 mm and 8 mm shafts. Open: https://cheapcadtools.com/tools/worm-gears/?size=1&z1=1&z2=60&q=24&worm_bore=6&wheel_bore=8 Prompt: Using the CheapCADTools connector, design a 60 : 1 worm drive in Worm Gear Designer: axial module 1 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, diameter factor q 24, a 60-tooth throated wheel. The worm: a 6 mm bore. The wheel: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [40 : 1 lift · 16 DP](https://cheapcadtools.com/samples/worm-gears/lift-dp16-1x40-q22/): A 16 DP self-locking lift worm (q 22) with a 40-tooth wheel on a ⅜" shaft. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=16&z1=1&z2=40&q=22&worm_bore=6.35&wheel_bore=9.525 Prompt: Using the CheapCADTools connector, design a 40 : 1 worm drive in Worm Gear Designer: diametral pitch 16, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, diameter factor q 22, a 40-tooth throated wheel. The worm: a 6.35 mm bore. The wheel: a 9.525 mm bore. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [10 : 1 · 16 DP on a 10 mm hex](https://cheapcadtools.com/samples/worm-gears/spline-dp16-4x40-hex/): A four-start 16 DP worm and a wheel on a 10 mm hex bar, held by a DIN 471 retaining ring. Open: https://cheapcadtools.com/tools/worm-gears/?family=dp&size=16&z1=4&z2=40&wheel_bore_shape=spline&wheel_spline_type=hex&wheel_spline_af=10&wheel_spline_series=metric&wheel_spline_ring_top=1&wheel_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 10 : 1 worm drive in Worm Gear Designer: diametral pitch 16, 20° pressure angle, ZA thread profile, a 4-start right-hand worm, a 40-tooth throated wheel. The wheel: a hex bar bore, 10 mm across flats, metric retaining rings, a retaining ring on the top end. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [40 : 1 · ISO 14 spline wheel](https://cheapcadtools.com/samples/worm-gears/spline-iso14-m3-1x40/): A module 3 wheel on an ISO 14 6 × 23 × 26 spline with rings on both faces, the worm held by a set screw. Open: https://cheapcadtools.com/tools/worm-gears/?size=3&z1=1&z2=40&worm_bore=10&worm_hub=one&worm_hub_d=22&worm_hub_screw_size=M4&worm_hub_screw_hold=nut&worm_hub_screw_count=1&wheel_bore_shape=spline&wheel_spline_type=straight&wheel_spline_n=6&wheel_spline_minor=23&wheel_spline_major=26&wheel_spline_width=6&wheel_spline_ring_top=1&wheel_spline_ring_bottom=1&wheel_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 40 : 1 worm drive in Worm Gear Designer: axial module 3 mm, 20° pressure angle, ZA thread profile, a 1-start right-hand worm, a 40-tooth throated wheel. The worm: a 10 mm bore, a hub on one end, Hub OD 22 mm, 1 M4 set screw with captured nuts. The wheel: an ISO 14 straight spline bore, N 6, d 23 mm, D 26 mm, B 6 mm, a retaining ring on the top end, a retaining ring on the bottom end. Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. - [15 : 1 · hubs with heat-set inserts](https://cheapcadtools.com/samples/worm-gears/hub-m2-2x30-inserts/): Hubs on both parts with M3 set screws in heat-set inserts, for a printed two-start drive. Open: https://cheapcadtools.com/tools/worm-gears/?size=2&z1=2&z2=30&worm_bore=5&worm_hub=both&worm_hub_screw_size=M3&worm_hub_screw_hold=insert&worm_hub_screw_hole_dia=4&worm_hub_screw_count=1&wheel_bore=8&wheel_hub=one&wheel_hub_screw_size=M3&wheel_hub_screw_hold=insert&wheel_hub_screw_hole_dia=4&wheel_hub_screw_count=2 Prompt: Using the CheapCADTools connector, design a 15 : 1 worm drive in Worm Gear Designer: axial module 2 mm, 20° pressure angle, ZA thread profile, a 2-start right-hand worm, a 30-tooth throated wheel. The worm: a 5 mm bore, a hub on both ends, 1 M3 set screw in heat-set inserts (insert hole 4 mm). The wheel: an 8 mm bore, a hub on one end, 2 M3 set screws in heat-set inserts (insert hole 4 mm). Check the design, apply any Auto-fix it suggests, then export the worm and the wheel as STEP and STL and give me the download link. ## Bevel gear samples (each link opens the pair in the Bevel Gear Designer) - [Straight bevel · AGMA 2005](https://cheapcadtools.com/samples/bevel-gears/straight-agma-m22-15x45/): The 15 : 45 pair (module 2.2, 3 : 1) with AGMA 2005's mid-face proportions. Open: https://cheapcadtools.com/tools/bevel-gears/?z1=15&z2=45&size=2.2&b=15.5&p1_bore=8&p2_bore=12&system=A Prompt: Using the CheapCADTools connector, design a 3 : 1 bevel gear pair in Bevel Gear Designer: module 2.2 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 45-tooth gear, a 90° shaft angle, face width 15.5 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Straight bevel · Gleason](https://cheapcadtools.com/samples/bevel-gears/straight-gleason-m22-15x45/): The same pair in Gleason's heel-based proportions, the ones catalogue gears use. Open: https://cheapcadtools.com/tools/bevel-gears/?z1=15&z2=45&size=2.2&b=15.5&p1_bore=8&p2_bore=12&system=G Prompt: Using the CheapCADTools connector, design a 3 : 1 bevel gear pair in Bevel Gear Designer: module 2.2 mm, 20° pressure angle, straight teeth with Gleason proportions, a 15-tooth pinion and a 45-tooth gear, a 90° shaft angle, face width 15.5 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Spiral bevel · 35°](https://cheapcadtools.com/samples/bevel-gears/spiral-m22-15x45/): Curved teeth at a 35° spiral angle: more teeth in contact, smoother and quieter. Open: https://cheapcadtools.com/tools/bevel-gears/?z1=15&z2=45&size=2.2&b=15.5&p1_bore=8&p2_bore=12&gear_type=spiral&beta=35&hand=left Prompt: Using the CheapCADTools connector, design a 3 : 1 spiral bevel gear pair in Bevel Gear Designer: module 2.2 mm, 20° pressure angle, spiral bevel teeth, a 35° spiral angle, the pinion left hand, a 15-tooth pinion and a 45-tooth gear, a 90° shaft angle, face width 15.5 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STL and give me the download link. - [Hypoid · offset pinion](https://cheapcadtools.com/samples/bevel-gears/hypoid-m22-15x45/): The pinion moved off the gear's axis: a bigger, stronger pinion, as in car axles. Open: https://cheapcadtools.com/tools/bevel-gears/?z1=15&z2=45&size=2.2&b=15.5&p1_bore=8&p2_bore=12&gear_type=hypoid Prompt: Using the CheapCADTools connector, design a 3 : 1 hypoid gear pair in Bevel Gear Designer: module 2.2 mm, 20° pressure angle, hypoid teeth (the pinion offset), the pinion left hand, a 15-tooth pinion and a 45-tooth gear, a 90° shaft angle, face width 15.5 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STL and give me the download link. - [Miter pair · module 1.5, 20 teeth](https://cheapcadtools.com/samples/bevel-gears/miter-m15-20t/): The most common stock miter size: 20 teeth, module 1.5, Gleason proportions that match catalogue gears. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=1.5&z1=20&z2=20&b=5.5&p1_bore=8&p2_bore=8 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with Gleason proportions, a 20-tooth pinion and a 20-tooth gear, a 90° shaft angle, face width 5.5 mm. The pinion: an 8 mm bore. The gear: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Miter pair · module 1, printed](https://cheapcadtools.com/samples/bevel-gears/miter-m1-20t-printed/): A small printable miter pair on 5 mm D-flat shafts. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1&z1=20&z2=20&b=3.5&p1_bore=5&p1_bore_shape=dflat&p1_bore_flat=0.5&p2_bore=5&p2_bore_shape=dflat&p2_bore_flat=0.5 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 1 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 20-tooth gear, a 90° shaft angle, face width 3.5 mm. The pinion: a 5 mm bore with a D-flat 0.5 mm deep. The gear: a 5 mm bore with a D-flat 0.5 mm deep. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Miter pair · module 2, keyed](https://cheapcadtools.com/samples/bevel-gears/miter-m2-25t-keyed/): 25-tooth module 2 miters on 12 mm keyed shafts. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=2&z1=25&z2=25&b=9.5&p1_bore=12&p1_bore_shape=keyway&p1_key_w=4&p1_key_h=1.8&p2_bore=12&p2_bore_shape=keyway&p2_key_w=4&p2_key_h=1.8 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 2 mm, 20° pressure angle, straight teeth with Gleason proportions, a 25-tooth pinion and a 25-tooth gear, a 90° shaft angle, face width 9.5 mm. The pinion: a 12 mm bore with a keyway 4 mm wide and 1.8 mm deep. The gear: a 12 mm bore with a keyway 4 mm wide and 1.8 mm deep. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Miter pair · module 3, 30 teeth](https://cheapcadtools.com/samples/bevel-gears/miter-m3-30t-keyed/): A heavy 1 : 1 corner drive: module 3, 20 mm keyed bores. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=3&z1=30&z2=30&b=17.5&p1_bore=20&p1_bore_shape=keyway&p1_key_w=6&p1_key_h=2.8&p2_bore=20&p2_bore_shape=keyway&p2_key_w=6&p2_key_h=2.8 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 3 mm, 20° pressure angle, straight teeth with Gleason proportions, a 30-tooth pinion and a 30-tooth gear, a 90° shaft angle, face width 17.5 mm. The pinion: a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep. The gear: a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Miter pair · 16 DP on ½" hex](https://cheapcadtools.com/samples/bevel-gears/miter-16dp-hex/): Robotics miters: 16 DP, 20 teeth, both on ½" hex shafts. Open: https://cheapcadtools.com/tools/bevel-gears/?family=dp&size=16&z1=20&z2=20&b=6&p1_bore=12.7&p1_bore_shape=spline&p1_spline_type=hex&p1_spline_af=12.7&p1_spline_series=inch&p1_spline_ring_top=1&p1_spline_cb_top=0&p2_bore=12.7&p2_bore_shape=spline&p2_spline_type=hex&p2_spline_af=12.7&p2_spline_series=inch&p2_spline_ring_top=1&p2_spline_cb_top=0&p1_spline_show_shaft=1&p2_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: diametral pitch 16, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 20-tooth gear, a 90° shaft angle, face width 6 mm. The pinion: a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top end, not counterbored. The gear: a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top end, not counterbored. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [1.5 : 1 · module 2, 20 : 30](https://cheapcadtools.com/samples/bevel-gears/bevel-m2-20x30/): A gentle right-angle reduction, Gleason proportions. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=2&z1=20&z2=30&b=10&p1_bore=8&p2_bore=12 Prompt: Using the CheapCADTools connector, design a 1.5 : 1 bevel gear pair in Bevel Gear Designer: module 2 mm, 20° pressure angle, straight teeth with Gleason proportions, a 20-tooth pinion and a 30-tooth gear, a 90° shaft angle, face width 10 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [2 : 1 · module 2, 20 : 40](https://cheapcadtools.com/samples/bevel-gears/bevel-m2-20x40/): The classic 2 : 1 bevel pair, as stocked by gear catalogues. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=2&z1=20&z2=40&b=12.5&p1_bore=8&p2_bore=12 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 2 mm, 20° pressure angle, straight teeth with Gleason proportions, a 20-tooth pinion and a 40-tooth gear, a 90° shaft angle, face width 12.5 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [2 : 1 · module 1.5, 15 : 30](https://cheapcadtools.com/samples/bevel-gears/bevel-m15-15x30/): A compact 2 : 1 for printed gearboxes. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&z1=15&z2=30&b=7&p1_bore=6&p2_bore=8 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 30-tooth gear, a 90° shaft angle, face width 7 mm. The pinion: a 6 mm bore. The gear: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [3 : 1 · module 2, 15 : 45](https://cheapcadtools.com/samples/bevel-gears/bevel-m2-15x45/): 3 : 1 at right angles: a 15-tooth pinion into a 45-tooth gear. Open: https://cheapcadtools.com/tools/bevel-gears/?size=2&z1=15&z2=45&b=13&p1_bore=8&p2_bore=12 Prompt: Using the CheapCADTools connector, design a 3 : 1 bevel gear pair in Bevel Gear Designer: module 2 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 45-tooth gear, a 90° shaft angle, face width 13 mm. The pinion: an 8 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [4 : 1 · module 1.5, 15 : 60](https://cheapcadtools.com/samples/bevel-gears/bevel-m15-15x60/): 4 : 1 in one bevel pair, for slow right-angle outputs. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&z1=15&z2=60&b=12.5&p1_bore=6&p2_bore=12 Prompt: Using the CheapCADTools connector, design a 4 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 60-tooth gear, a 90° shaft angle, face width 12.5 mm. The pinion: a 6 mm bore. The gear: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [5 : 1 · module 1, 16 : 80](https://cheapcadtools.com/samples/bevel-gears/bevel-m1-16x80/): The steepest pair here: 5 : 1, the gear almost a crown wheel. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1&z1=16&z2=80&b=10&p1_bore=5&p2_bore=10 Prompt: Using the CheapCADTools connector, design a 5 : 1 bevel gear pair in Bevel Gear Designer: module 1 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and an 80-tooth gear, a 90° shaft angle, face width 10 mm. The pinion: a 5 mm bore. The gear: a 10 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [NEMA 17 right-angle drive](https://cheapcadtools.com/samples/bevel-gears/nema17-right-angle-m15/): Turn a stepper's output 90°: 18-tooth miters, 5 mm D-flat in, 8 mm out, tapped set screws. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&z1=18&z2=18&b=5&p1_bore=5&p1_bore_shape=dflat&p1_bore_flat=0.5&p1_hub=back&p1_hub_screw_size=M3&p1_hub_screw_hold=thread&p1_hub_screw_count=1&p1_hub_d=14.5&p2_bore=8&p2_hub=back&p2_hub_screw_size=M3&p2_hub_screw_hold=thread&p2_hub_screw_count=2&p2_hub_d=18 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, an 18-tooth pinion and an 18-tooth gear, a 90° shaft angle, face width 5 mm. The pinion: a 5 mm bore with a D-flat 0.5 mm deep, a back hub, Hub OD 14.5 mm, 1 M3 set screw in tapped holes. The gear: an 8 mm bore, a back hub, Hub OD 18 mm, 2 M3 set screws in tapped holes. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Hand drill · 4 : 1, module 2](https://cheapcadtools.com/samples/bevel-gears/hand-drill-m2-15x60/): The egg-beater drill's drive: a big crank gear spins a 15-tooth pinion four times as fast. Open: https://cheapcadtools.com/tools/bevel-gears/?size=2&z1=15&z2=60&b=17&p1_bore=6&p2_bore=8&p2_bore_shape=spline&p2_spline_type=hex&p2_spline_af=8&p2_spline_series=metric&p2_spline_ring_top=1&p2_spline_cb_top=1&p2_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 4 : 1 bevel gear pair in Bevel Gear Designer: module 2 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 60-tooth gear, a 90° shaft angle, face width 17 mm. The pinion: a 6 mm bore. The gear: a hex bar bore, 8 mm across flats, metric retaining rings, a retaining ring on the top end. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Hand crank · 3 : 1 on ½" hex](https://cheapcadtools.com/samples/bevel-gears/crank-m25-16x48-hex/): A crank-driven 3 : 1 for mills and hand generators, both gears on ½" hex. Open: https://cheapcadtools.com/tools/bevel-gears/?size=2.5&z1=16&z2=48&b=17.5&p1_bore=12.7&p1_bore_shape=spline&p1_spline_type=hex&p1_spline_af=12.7&p1_spline_series=inch&p1_spline_ring_top=1&p1_spline_cb_top=0&p2_bore=12.7&p2_bore_shape=spline&p2_spline_type=hex&p2_spline_af=12.7&p2_spline_series=inch&p2_spline_ring_top=1&p2_spline_cb_top=1&p1_spline_show_shaft=1&p2_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 3 : 1 bevel gear pair in Bevel Gear Designer: module 2.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and a 48-tooth gear, a 90° shaft angle, face width 17.5 mm. The pinion: a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top end, not counterbored. The gear: a hex bar bore, 12.7 mm across flats, inch retaining rings, a retaining ring on the top end. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Hand crank · threaded set screws and hub pins](https://cheapcadtools.com/samples/bevel-gears/crank-m25-16x48-threaded-pins/): 3 : 1 on round shafts: the pinion's set screws thread into the hub, the gear is pinned through its hub. Open: https://cheapcadtools.com/tools/bevel-gears/?size=2.5&z1=16&z2=48&b=17.5&p1_bore=8&p1_hub=back&p1_hub_screw_size=M4&p1_hub_screw_hold=thread&p2_bore=12&p2_hub=back&p2_hub_pins=2&p2_hub_pin_d=3 Prompt: Using the CheapCADTools connector, design a 3 : 1 bevel gear pair in Bevel Gear Designer: module 2.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and a 48-tooth gear, a 90° shaft angle, face width 17.5 mm. The pinion: an 8 mm bore, a back hub, 2 M4 set screws in tapped holes. The gear: a 12 mm bore, a back hub, 2 hub pins of 3 mm. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Small robot · 2 : 1, 3 mm D-flat](https://cheapcadtools.com/samples/bevel-gears/robot-m08-15x30/): A tiny module 0.8 pair for N20-size gear motors on 3 mm D-flat shafts. Open: https://cheapcadtools.com/tools/bevel-gears/?size=0.8&z1=15&z2=30&b=3.5&p1_bore=3&p1_bore_shape=dflat&p1_bore_flat=0.5&p2_bore=4 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 0.8 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 30-tooth gear, a 90° shaft angle, face width 3.5 mm. The pinion: a 3 mm bore with a D-flat 0.5 mm deep. The gear: a 4 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Rotisserie · 2 : 1 on 8 mm hex](https://cheapcadtools.com/samples/bevel-gears/rotisserie-m15-15x30/): A 2 : 1 corner drive for a spit or turntable, the gear on an 8 mm hex bar. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&z1=15&z2=30&b=7&p1_bore=6&p2_bore=8&p2_bore_shape=spline&p2_spline_type=hex&p2_spline_af=8&p2_spline_series=metric&p2_spline_ring_top=1&p2_spline_cb_top=1&p2_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 15-tooth pinion and a 30-tooth gear, a 90° shaft angle, face width 7 mm. The pinion: a 6 mm bore. The gear: a hex bar bore, 8 mm across flats, metric retaining rings, a retaining ring on the top end. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Camera pan head · 4 : 1](https://cheapcadtools.com/samples/bevel-gears/camera-pan-m1-18x72/): A 4 : 1 right-angle drive for a motorised pan head or turntable. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1&z1=18&z2=72&b=10&p1_bore=5&p1_bore_shape=dflat&p1_bore_flat=0.5&p2_bore=8 Prompt: Using the CheapCADTools connector, design a 4 : 1 bevel gear pair in Bevel Gear Designer: module 1 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, an 18-tooth pinion and a 72-tooth gear, a 90° shaft angle, face width 10 mm. The pinion: a 5 mm bore with a D-flat 0.5 mm deep. The gear: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [RC differential · spider and side gear](https://cheapcadtools.com/samples/bevel-gears/rc-diff-m1-16x24/): The pair inside an open differential: a 16-tooth spider gear on a 24-tooth side gear. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1&z1=16&z2=24&b=4&p1_bore=3&p2_bore=5&p2_bore_shape=dflat&p2_bore_flat=0.5 Prompt: Using the CheapCADTools connector, design a 1.5 : 1 bevel gear pair in Bevel Gear Designer: module 1 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and a 24-tooth gear, a 90° shaft angle, face width 4 mm. The pinion: a 3 mm bore. The gear: a 5 mm bore with a D-flat 0.5 mm deep. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [RC axle · 16 : 47 ring and pinion](https://cheapcadtools.com/samples/bevel-gears/rc-axle-m15-16x47/): A straight-cut ring and pinion for a 1/10 crawler axle, about 2.9 : 1. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&z1=16&z2=47&b=10&p1_bore=5&p1_bore_shape=dflat&p1_bore_flat=0.5&p2_bore=10 Prompt: Using the CheapCADTools connector, design a 2.938 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and a 47-tooth gear, a 90° shaft angle, face width 10 mm. The pinion: a 5 mm bore with a D-flat 0.5 mm deep. The gear: a 10 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [2 : 1 · module 4, splined gear](https://cheapcadtools.com/samples/bevel-gears/ind-m4-20x40-spline/): A heavy 2 : 1: keyed pinion, ISO 14 6 × 23 × 26 spline in the gear. Open: https://cheapcadtools.com/tools/bevel-gears/?system=G&size=4&z1=20&z2=40&b=25&p1_bore=20&p1_bore_shape=keyway&p1_key_w=6&p1_key_h=2.8&p2_bore=26&p2_bore_shape=spline&p2_spline_type=straight&p2_spline_n=6&p2_spline_minor=23&p2_spline_major=26&p2_spline_width=6&p2_spline_show_shaft=1 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 4 mm, 20° pressure angle, straight teeth with Gleason proportions, a 20-tooth pinion and a 40-tooth gear, a 90° shaft angle, face width 25 mm. The pinion: a 20 mm bore with a keyway 6 mm wide and 2.8 mm deep. The gear: an ISO 14 straight spline bore, N 6, d 23 mm, D 26 mm, B 6 mm. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [60° shaft angle · 1 : 1](https://cheapcadtools.com/samples/bevel-gears/angle-60-m15-20t/): Two 20-tooth gears meeting at 60°, not 90°. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&sigma=60&z1=20&z2=20&b=8&p1_bore=6&p2_bore=6 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 20-tooth gear, a 60° shaft angle, face width 8 mm. The pinion: a 6 mm bore. The gear: a 6 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [120° shaft angle · 1.5 : 1](https://cheapcadtools.com/samples/bevel-gears/angle-120-m15-20x30/): An obtuse 120° drive: the gear's cone opens almost flat. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&sigma=120&z1=20&z2=30&b=6&p1_bore=6&p2_bore=8 Prompt: Using the CheapCADTools connector, design a 1.5 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 30-tooth gear, a 120° shaft angle, face width 6 mm. The pinion: a 6 mm bore. The gear: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [45° shaft angle · 2 : 1](https://cheapcadtools.com/samples/bevel-gears/angle-45-m15-20x40/): A 45° drive for angled outputs and dividers. Open: https://cheapcadtools.com/tools/bevel-gears/?size=1.5&sigma=45&z1=20&z2=40&b=15&p1_bore=6&p2_bore=8 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: module 1.5 mm, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 40-tooth gear, a 45° shaft angle, face width 15 mm. The pinion: a 6 mm bore. The gear: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [2 : 1 · 10 DP, keyed](https://cheapcadtools.com/samples/bevel-gears/dp10-16x32-keyed/): An inch pair: 10 DP, ½" keyed pinion, ¾" keyed gear. Open: https://cheapcadtools.com/tools/bevel-gears/?family=dp&size=10&z1=16&z2=32&b=12.5&p1_bore=12.7&p1_bore_shape=keyway&p1_key_w=3.175&p1_key_h=1.6&p2_bore=19.05&p2_bore_shape=keyway&p2_key_w=4.76&p2_key_h=2.4 Prompt: Using the CheapCADTools connector, design a 2 : 1 bevel gear pair in Bevel Gear Designer: diametral pitch 10, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 16-tooth pinion and a 32-tooth gear, a 90° shaft angle, face width 12.5 mm. The pinion: a 12.7 mm bore with a keyway 3.175 mm wide and 1.6 mm deep. The gear: a 19.05 mm bore with a keyway 4.76 mm wide and 2.4 mm deep. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. - [Miter pair · 24 DP, ¼" bores](https://cheapcadtools.com/samples/bevel-gears/dp24-20t-miter/): Small inch miters: 24 DP, 20 teeth, ¼" bores. Open: https://cheapcadtools.com/tools/bevel-gears/?family=dp&size=24&z1=20&z2=20&b=4&p1_bore=6.35&p2_bore=6.35 Prompt: Using the CheapCADTools connector, design a 1 : 1 bevel gear pair in Bevel Gear Designer: diametral pitch 24, 20° pressure angle, straight teeth with AGMA 2005 proportions, a 20-tooth pinion and a 20-tooth gear, a 90° shaft angle, face width 4 mm. The pinion: a 6.35 mm bore. The gear: a 6.35 mm bore. Check the design, apply any Auto-fix it suggests, then export the pinion and the gear as STEP and STL and give me the download link. ## Planetary gear samples (each link opens the set in the Planetary Gear Designer) - [4 : 1 · NEMA 17 gearbox](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-4to1/): A one-stage 4 : 1 reducer for a NEMA 17 stepper: 5 mm D-flat sun, three planets, 8 mm output. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=21&z_p=21&z_r=63&n=3&face=10&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&torque=0.22 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 10 mm. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.22 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · NEMA 17, herringbone](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-5to1/): 5 : 1 in one stage; herringbone teeth run quietly and keep the planets in line. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=1&z_s=18&z_p=27&z_r=72&n=3&face=10&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&torque=0.45 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 10 mm. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [16 : 1 · two stages](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-16to1/): Two stacked 4 : 1 stages: each carrier prints with the next stage's sun. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=21&z_p=21&z_r=63&n=3&face=8&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&stages=2&torque=0.047 Prompt: Using the CheapCADTools connector, design a 16 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 8 mm, two stages stacked. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.05 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [25 : 1 · two 5 : 1 stages](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-25to1/): Two 5 : 1 stages for slow, strong stepper output. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=1&z_s=18&z_p=27&z_r=72&n=3&face=8&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&stages=2&torque=0.45 Prompt: Using the CheapCADTools connector, design a 25 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 8 mm, two stages stacked. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [64 : 1 · three stages](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-64to1/): Three 4 : 1 stages stacked: 64 : 1 for turntables, telescopes and slow axes. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=21&z_p=21&z_r=63&n=3&face=8&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&stages=3&torque=0.012 Prompt: Using the CheapCADTools connector, design a 64 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 8 mm, three stages stacked. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.01 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [4 : 1 · compact NEMA 17, 60 mm](https://cheapcadtools.com/samples/planetary-gears/nema17-m1-4to1-compact/): A smaller 4 : 1: 15-tooth planets, shifted (x 0.2) so the ring's tips clear them; 60 mm across. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=15&z_p=15&z_r=45&n=3&x_p=0.2&face=10&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&torque=0.45 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, a 15-tooth sun, 15-tooth planets and a 45-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 10 mm. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · compact NEMA 17, 51 mm](https://cheapcadtools.com/samples/planetary-gears/nema17-m08-5to1-compact/): 5 : 1 at module 0.8 with a shifted 12-tooth sun and shifted planets: the smallest clean set, 51 mm across. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=0.8&z_s=12&z_p=18&z_r=48&n=3&x_s=0.2&x_p=0.2&face=10&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&torque=0.45 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: module 0.8 mm, 20° pressure angle, herringbone teeth, a 12-tooth sun, 18-tooth planets and a 48-tooth ring, three planets, a profile shift of 0.2 on the sun, a profile shift of 0.2 on the planets, face width 10 mm. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [125 : 1 · three 5 : 1 stages](https://cheapcadtools.com/samples/planetary-gears/tracker-m1-125to1/): Three compact 5 : 1 stages, 63 mm across, for solar trackers, telescope mounts and slow turntables. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=12&z_p=18&z_r=48&n=3&x_s=0.2&face=12&pin_d=6&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&stages=3&torque=0.45 Prompt: Using the CheapCADTools connector, design a 125 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, a 12-tooth sun, 18-tooth planets and a 48-tooth ring, three planets, a profile shift of 0.2 on the sun, face width 12 mm, three stages stacked. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier: 6 mm planet pins. The carrier's output: an 8 mm bore. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · NEMA 23 gearbox](https://cheapcadtools.com/samples/planetary-gears/nema23-m15-5to1/): A module 1.5 stage for a NEMA 23 on a ¼" D-flat shaft. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=1.5&z_s=18&z_p=27&z_r=72&n=3&face=14&sun_bore=6.35&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=10&torque=1.9 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: module 1.5 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 14 mm. The sun: a 6.35 mm bore with a D-flat 0.5 mm deep. The carrier's output: a 10 mm bore. Set an input torque of 1.9 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [6 : 1 · quasi-direct-drive actuator](https://cheapcadtools.com/samples/planetary-gears/qdd-m1-6to1/): The low-ratio stage legged robots put behind a brushless motor; flanged ring, six M3 bolts. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=16&z_p=32&z_r=80&n=3&x_s=0.1&face=12&sun_bore=8&carrier_bore=8&ring_bolts=6&ring_bolt=M3&ring_rim=8.5 Prompt: Using the CheapCADTools connector, design a 6 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, a 16-tooth sun, 32-tooth planets and an 80-tooth ring, three planets, a profile shift of 0.1 on the sun, face width 12 mm. The sun: an 8 mm bore. The carrier's output: an 8 mm bore. The ring: six M3 bolt holes, an 8.5 mm rim below the roots. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [7 : 1 · one-stage actuator](https://cheapcadtools.com/samples/planetary-gears/qdd-m1-7to1/): 7 : 1 in one stage: a small sun and big planets, still back-drivable. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=18&z_p=45&z_r=108&n=3&face=12&sun_bore=8&carrier_bore=10&ring_bolts=8&ring_bolt=M3&ring_rim=8.5 Prompt: Using the CheapCADTools connector, design a 7 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 45-tooth planets and a 108-tooth ring, three planets, face width 12 mm. The sun: an 8 mm bore. The carrier's output: a 10 mm bore. The ring: eight M3 bolt holes, an 8.5 mm rim below the roots. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [36 : 1 · robot arm joint](https://cheapcadtools.com/samples/planetary-gears/arm-m1-36to1/): Two 6 : 1 stages for a printed robot arm's shoulder or elbow. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=16&z_p=32&z_r=80&n=3&x_s=0.1&face=10&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_bore=8&stages=2&ring_bolts=6&ring_bolt=M3&ring_rim=8.5&torque=0.45 Prompt: Using the CheapCADTools connector, design a 36 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, a 16-tooth sun, 32-tooth planets and an 80-tooth ring, three planets, a profile shift of 0.1 on the sun, face width 10 mm, two stages stacked. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier's output: an 8 mm bore. The ring: six M3 bolt holes, an 8.5 mm rim below the roots. Set an input torque of 0.45 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [4 : 1 · slim wrist, one-sided carrier](https://cheapcadtools.com/samples/planetary-gears/wrist-m1-4to1-cantilever/): A short 4 : 1 with a single-sided carrier and four planets, for a robot wrist. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=21&z_p=21&z_r=63&n=4&face=8&sun_bore=5&sun_bore_shape=dflat&sun_bore_flat=0.5&carrier_type=cantilever&carrier_bore=5&torque=0.22 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, four planets, a profile shift of 0.2 on the planets, face width 8 mm. The sun: a 5 mm bore with a D-flat 0.5 mm deep. The carrier: a one-sided (cantilevered) carrier. The carrier's output: a 5 mm bore. Set an input torque of 0.22 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · planets on ball bearings](https://cheapcadtools.com/samples/planetary-gears/bearing-m15-5to1/): Each planet runs on a 625 ball bearing for long life under load. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=1.5&z_s=18&z_p=27&z_r=72&n=3&face=12&sun_bore=8&carrier_bore=8&planet_bearing=625 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: module 1.5 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 12 mm. The sun: an 8 mm bore. The carrier: each planet on a 625 ball bearing. The carrier's output: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [4 : 1 · 32 DP, ½" hex output](https://cheapcadtools.com/samples/planetary-gears/frc-32dp-4to1-hex/): An FRC-style stage: 8 mm keyed motor shaft in, ½" hex out. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&family=dp&size=32&gear_type=spur&z_s=21&z_p=21&z_r=63&n=3&face=9.5&sun_bore=8&sun_bore_shape=keyway&sun_key_w=2&sun_key_h=1&carrier_bore=12.7&carrier_bore_shape=spline&carrier_spline_type=hex&carrier_spline_af=12.7&carrier_spline_series=inch&carrier_spline_ring_top=1&torque=0.13 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 32, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 9.5 mm. The sun: an 8 mm bore with a keyway 2 mm wide and 1 mm deep. The carrier's output: a hex bar bore, 12.7 mm across flats (inch sizes), a retaining ring on the top face. Set an input torque of 0.13 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [9 : 1 · two 3 : 1 stages, hex out](https://cheapcadtools.com/samples/planetary-gears/frc-32dp-9to1-hex/): Two 3 : 1 stages, 32 DP, ending in a ½" hex output. Open: https://cheapcadtools.com/tools/planetary-gears/?family=dp&size=32&gear_type=spur&z_s=42&z_p=21&z_r=84&n=3&face=9.5&sun_bore=8&sun_bore_shape=keyway&sun_key_w=2&sun_key_h=1&stages=2&carrier_bore=12.7&carrier_bore_shape=spline&carrier_spline_type=hex&carrier_spline_af=12.7&carrier_spline_series=inch&carrier_spline_ring_top=1&torque=0.086 Prompt: Using the CheapCADTools connector, design a 9 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 32, 20° pressure angle, spur teeth, a 42-tooth sun, 21-tooth planets and an 84-tooth ring, three planets, face width 9.5 mm, two stages stacked. The sun: an 8 mm bore with a keyway 2 mm wide and 1 mm deep. The carrier's output: a hex bar bore, 12.7 mm across flats (inch sizes), a retaining ring on the top face. Set an input torque of 0.09 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · 32 DP, hex out](https://cheapcadtools.com/samples/planetary-gears/frc-32dp-5to1-hex/): 5 : 1 in one stage with a ½" hex output. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&family=dp&size=32&gear_type=spur&z_s=18&z_p=27&z_r=72&n=3&face=9.5&sun_bore=8&sun_bore_shape=keyway&sun_key_w=2&sun_key_h=1&carrier_bore=12.7&carrier_bore_shape=spline&carrier_spline_type=hex&carrier_spline_af=12.7&carrier_spline_series=inch&carrier_spline_ring_top=1&torque=0.06 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 32, 20° pressure angle, spur teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 9.5 mm. The sun: an 8 mm bore with a keyway 2 mm wide and 1 mm deep. The carrier's output: a hex bar bore, 12.7 mm across flats (inch sizes), a retaining ring on the top face. Set an input torque of 0.06 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [3 : 1 · 32 DP, hex out](https://cheapcadtools.com/samples/planetary-gears/frc-32dp-3to1-hex/): The 3 : 1 stage, a big sun and small planets, 8 mm keyed in, ½" hex out. Open: https://cheapcadtools.com/tools/planetary-gears/?family=dp&size=32&gear_type=spur&z_s=42&z_p=21&z_r=84&n=3&face=9.5&sun_bore=8&sun_bore_shape=keyway&sun_key_w=2&sun_key_h=1&carrier_bore=12.7&carrier_bore_shape=spline&carrier_spline_type=hex&carrier_spline_af=12.7&carrier_spline_series=inch&carrier_spline_ring_top=1&torque=0.25 Prompt: Using the CheapCADTools connector, design a 3 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 32, 20° pressure angle, spur teeth, a 42-tooth sun, 21-tooth planets and an 84-tooth ring, three planets, face width 9.5 mm. The sun: an 8 mm bore with a keyway 2 mm wide and 1 mm deep. The carrier's output: a hex bar bore, 12.7 mm across flats (inch sizes), a retaining ring on the top face. Set an input torque of 0.25 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [7 : 1 · 32 DP, hex out](https://cheapcadtools.com/samples/planetary-gears/frc-32dp-7to1-hex/): 7 : 1 in one stage: an 18-tooth sun, the smallest that takes the 8 mm keyed shaft, ½" hex out. Open: https://cheapcadtools.com/tools/planetary-gears/?family=dp&size=32&gear_type=spur&z_s=18&z_p=45&z_r=108&n=3&face=9.5&sun_bore=8&sun_bore_shape=keyway&sun_key_w=2&sun_key_h=1&carrier_bore=12.7&carrier_bore_shape=spline&carrier_spline_type=hex&carrier_spline_af=12.7&carrier_spline_series=inch&carrier_spline_ring_top=1&torque=0.063 Prompt: Using the CheapCADTools connector, design a 7 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 32, 20° pressure angle, spur teeth, an 18-tooth sun, 45-tooth planets and a 108-tooth ring, three planets, face width 9.5 mm. The sun: an 8 mm bore with a keyway 2 mm wide and 1 mm deep. The carrier's output: a hex bar bore, 12.7 mm across flats (inch sizes), a retaining ring on the top face. Set an input torque of 0.06 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [Herringbone gear bearing · 5 planets](https://cheapcadtools.com/samples/planetary-gears/gear-bearing-m15-5planets/): The classic printed gear bearing: herringbone teeth hold it together round five planets. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=1.5&z_s=25&z_p=20&z_r=65&n=5&face=15&sun_bore=8&carrier_bore=8&carrier_type=cantilever Prompt: Using the CheapCADTools connector, design a 3.6 : 1 planetary gear set in Planetary Gear Designer: module 1.5 mm, 20° pressure angle, herringbone teeth, a 25-tooth sun, 20-tooth planets and a 65-tooth ring, five planets, a profile shift of 0.2 on the planets, face width 15 mm. The sun: an 8 mm bore. The carrier: a one-sided (cantilevered) carrier. The carrier's output: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [3 : 1 · six planets](https://cheapcadtools.com/samples/planetary-gears/six-planets-m1-3to1/): Six planets round a big sun: a striking demo and a strong, low ratio. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=42&z_p=21&z_r=84&n=6&face=8&sun_bore=8&carrier_bore=8&torque=0.67 Prompt: Using the CheapCADTools connector, design a 3 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 42-tooth sun, 21-tooth planets and an 84-tooth ring, six planets, a profile shift of 0.2 on the planets, face width 8 mm. The sun: an 8 mm bore. The carrier's output: an 8 mm bore. Set an input torque of 0.67 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [Star arrangement · ring turns backwards](https://cheapcadtools.com/samples/planetary-gears/star-m2-carrier-fixed/): Carrier held, sun in, ring out: the output reverses, as in a turbofan's gearbox. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=2&z_s=18&z_p=21&z_r=60&n=3&face=12&sun_bore=8&carrier_bore=8&fixed=carrier&input=sun Prompt: Using the CheapCADTools connector, design a 3.33 : 1 reversing planetary gear set in Planetary Gear Designer: module 2 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 21-tooth planets and a 60-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 12 mm, the carrier held and the sun as the input, so the ring is the output. The sun: an 8 mm bore. The carrier's output: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [Solar arrangement · overdrive](https://cheapcadtools.com/samples/planetary-gears/solar-m2-overdrive/): Sun held, carrier in, ring out: the ring overruns the input, like a car's overdrive. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=herringbone&size=2&z_s=18&z_p=21&z_r=60&n=3&face=12&sun_bore=8&carrier_bore=8&fixed=sun&input=carrier Prompt: Using the CheapCADTools connector, design a 1 : 1.3 overdrive planetary gear set in Planetary Gear Designer: module 2 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 21-tooth planets and a 60-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 12 mm, the sun held and the carrier as the input, so the ring is the output. The sun: an 8 mm bore. The carrier's output: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [8 planets · 2.83 : 1](https://cheapcadtools.com/samples/planetary-gears/eight-planets-m1/): Eight planets fill the ring, the most the app takes, still clear of each other. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1&z_s=48&z_p=20&z_r=88&n=8&face=10&sun_bore=8&carrier_bore=8&carrier_type=cantilever Prompt: Using the CheapCADTools connector, design a 2.83 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, herringbone teeth, a 48-tooth sun, 20-tooth planets and an 88-tooth ring, eight planets, face width 10 mm. The sun: an 8 mm bore. The carrier: a one-sided (cantilevered) carrier. The carrier's output: an 8 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [1 : 5 speed-up · wind turbine](https://cheapcadtools.com/samples/planetary-gears/wind-m15-1to5-speedup/): Ring held, carrier in, sun out: the sun turns five times as fast, to spin a small generator. Open: https://cheapcadtools.com/tools/planetary-gears/?gear_type=herringbone&size=1.5&z_s=18&z_p=27&z_r=72&n=3&x_p=0.2&face=14&sun_bore=8&carrier_bore=10&fixed=ring&input=carrier Prompt: Using the CheapCADTools connector, design a 1 : 5 speed-up planetary gear set in Planetary Gear Designer: module 1.5 mm, 20° pressure angle, herringbone teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 14 mm, the ring held and the carrier as the input, so the sun is the output. The sun: an 8 mm bore. The carrier's output: a 10 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [5 : 1 · module 2, keyed, 6000 bearings](https://cheapcadtools.com/samples/planetary-gears/ind-m2-5to1-keyed/): A metal-ready 5 : 1: keyed shafts, planets on 6000 bearings, a flanged ring with eight M5 bolts. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=2&z_s=18&z_p=27&z_r=72&n=3&face=20&sun_bore=12&sun_bore_shape=keyway&sun_key_w=4&sun_key_h=1.8&carrier_bore=16&carrier_bore_shape=keyway&carrier_key_w=5&carrier_key_h=2.3&planet_bearing=6000&ring_bolts=8&ring_bolt=M5&ring_rim=14&part_mat=steel_mild&st_mat_sun=steel_th1&st_mat_planet=steel_th1&st_mat_ring=steel_th1 Prompt: Using the CheapCADTools connector, design a 5 : 1 planetary gear set in Planetary Gear Designer: module 2 mm, 20° pressure angle, spur teeth, an 18-tooth sun, 27-tooth planets and a 72-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 20 mm. The sun: a 12 mm bore with a keyway 4 mm wide and 1.8 mm deep. The carrier: each planet on a 6000 ball bearing. The carrier's output: a 16 mm bore with a keyway 5 mm wide and 2.3 mm deep. The ring: eight M5 bolt holes, a 14 mm rim below the roots. Set parts in mild steel and the Strength check's sun, planet and ring material to steel, through hardened, grade 1. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [4 : 1 · helical, quiet](https://cheapcadtools.com/samples/planetary-gears/ind-helical-m15-4to1/): 20° helical teeth for a smooth, quiet 4 : 1. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=helical&helix=20&size=1.5&z_s=18&z_p=18&z_r=54&n=3&face=15&sun_bore=8&carrier_bore=10 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: module 1.5 mm, 20° pressure angle, helical teeth at a 20° helix angle, an 18-tooth sun, 18-tooth planets and a 54-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 15 mm. The sun: an 8 mm bore. The carrier's output: a 10 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [10.24 : 1 · two 3.2 : 1 stages](https://cheapcadtools.com/samples/planetary-gears/ind-m1-10to1/): Two 3.2 : 1 stages with four planets each: about 10 : 1 in a short housing. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=1&z_s=35&z_p=21&z_r=77&n=4&face=10&sun_bore=8&carrier_bore=10&stages=2&torque=0.15 Prompt: Using the CheapCADTools connector, design a 10.24 : 1 planetary gear set in Planetary Gear Designer: module 1 mm, 20° pressure angle, spur teeth, a 35-tooth sun, 21-tooth planets and a 77-tooth ring, four planets, a profile shift of 0.2 on the planets, face width 10 mm, two stages stacked. The sun: an 8 mm bore. The carrier's output: a 10 mm bore. Set an input torque of 0.15 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [6 : 1 · 25° pressure angle](https://cheapcadtools.com/samples/planetary-gears/ind-pa25-m2-6to1/): 25° teeth: a 14-tooth sun without undercut and stronger roots, 6 : 1. Open: https://cheapcadtools.com/tools/planetary-gears/?form=25&gear_type=spur&size=2&z_s=14&z_p=28&z_r=70&n=3&face=16&sun_bore=10&carrier_bore=12 Prompt: Using the CheapCADTools connector, design a 6 : 1 planetary gear set in Planetary Gear Designer: module 2 mm, 25° pressure angle, spur teeth, a 14-tooth sun, 28-tooth planets and a 70-tooth ring, three planets, face width 16 mm. The sun: a 10 mm bore. The carrier's output: a 12 mm bore. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [4 : 1 · 16 DP, ½" keyed](https://cheapcadtools.com/samples/planetary-gears/ind-16dp-4to1/): An inch set: 16 DP, ½" keyed sun and ⅝" output. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&family=dp&size=16&gear_type=spur&z_s=21&z_p=21&z_r=63&n=3&face=12.7&sun_bore=12.7&sun_bore_shape=keyway&sun_key_w=3.175&sun_key_h=1.6&carrier_bore=15.875&torque=0.73 Prompt: Using the CheapCADTools connector, design a 4 : 1 planetary gear set in Planetary Gear Designer: diametral pitch 16, 20° pressure angle, spur teeth, a 21-tooth sun, 21-tooth planets and a 63-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 12.7 mm. The sun: a 12.7 mm bore with a keyway 3.175 mm wide and 1.6 mm deep. The carrier's output: a 15.875 mm bore. Set an input torque of 0.73 N·m. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. - [6 : 1 · module 3 winch drive](https://cheapcadtools.com/samples/planetary-gears/winch-m3-6to1/): A big 6 : 1 for a winch or drum: module 3, a 300 mm ring with twelve M5 bolts. Open: https://cheapcadtools.com/tools/planetary-gears/?x_p=0.2&gear_type=spur&size=3&z_s=20&z_p=40&z_r=100&n=3&face=25&sun_bore=14&sun_bore_shape=keyway&sun_key_w=5&sun_key_h=2.3&carrier_bore=25&carrier_bore_shape=keyway&carrier_key_w=8&carrier_key_h=3.3&ring_bolts=12&ring_bolt=M5&part_mat=steel_mild&st_mat_sun=steel_th1&st_mat_planet=steel_th1&st_mat_ring=steel_th1 Prompt: Using the CheapCADTools connector, design a 6 : 1 planetary gear set in Planetary Gear Designer: module 3 mm, 20° pressure angle, spur teeth, a 20-tooth sun, 40-tooth planets and a 100-tooth ring, three planets, a profile shift of 0.2 on the planets, face width 25 mm. The sun: a 14 mm bore with a keyway 5 mm wide and 2.3 mm deep. The carrier's output: a 25 mm bore with a keyway 8 mm wide and 3.3 mm deep. The ring: twelve M5 bolt holes. Set parts in mild steel and the Strength check's sun, planet and ring material to steel, through hardened, grade 1. Check the design, apply any Auto-fix it suggests, then export every part (the sun, a planet, the ring and the carrier) as STEP and STL and give me the download link. ## More - [Timing belt length calculator](https://cheapcadtools.com/belt-length-calculator/): belt length from centre distance or centre distance from a belt, for every profile the pulley generator makes. A result's link (?profile=GT2M&z1=20&z2=40&c=150) reopens it. - [Roller chain length calculator](https://cheapcadtools.com/chain-length-calculator/): chain links from centre distance or centre distance from a chain, for ANSI, ISO 606 B, bicycle and motorcycle chains (?chain=40&z1=15&z2=45&c=500). - [Magic gear calculator](https://cheapcadtools.com/magic-gear-calculator/): chainring and cog pairs that fit a fixed chainstay length with a whole chain, for singlespeed, fixed gear and BMX (?cs=420). - [Pricing](https://cheapcadtools.com/pricing/) - [About](https://cheapcadtools.com/about/) - [Contact](https://cheapcadtools.com/contact/)