Sample · module 1.5 · 20°

20T : 40T · hubs, nuts and inserts

Two ways to hold a printed gear: captured nuts on the pinion, heat-set inserts on the gear.

Printed drives20 : 40

Build it with your AI

Using the CheapCAD Tools 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.

Paste it into Claude, ChatGPT or any AI app with the CheapCAD Tools connector, and it designs this gear set with you, checks it and hands you the files. How to connect your AI.

What's in this design

Gear 1 · 20 teeth

20T gear · tip Ø33 mm · bore Ø6 mm · hub Ø22, 2 × M3 set screws (captured nut)

Gear 2 · 40 teeth

40T gear · tip Ø63 mm · bore Ø8 mm · hub Ø24, 2 × M3 set screws (heat-set insert)

The mesh · module 1.5 · 20°

ratio 2 : 1 · centre distance 45 mm · contact ratio 1.64 · backlash 0.124–0.234 mm

The link opens both parts in the Gear Designer's 3D Mode. Change the teeth, module or pitch, bore, hub or spokes, then download STL, STEP, DXF or SVG.

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