Partform / Spur gear generator

Free spur gear generator

Set the number of teeth, module, face width and bore. Pitch diameter = module × teeth; gears mesh when they share the same module.

STL, STEP, DXF, PDF & SVGDimensioned A3 drawingFree, no account

1 · Describe or pick mm

Try: "M3 spacer 12mm long", "flange 90mm, 6 M6 holes, 25 bore", or edit the current part: "make it 2mm thicker".

2 · Adjust —

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Bounding box (mm)—
Volume—
Est. mass—
Material—

Spur gear tips

More part generators

Three steps, generated in seconds

01 / DESCRIBE

Say what you need

Write it like you'd tell a machinist ("120x80x6 plate, M5 holes 10mm from the edges") or pick a part type.

02 / ADJUST

Change dimensions

Every size, hole count and thickness is editable. The model and drawing update instantly.

03 / DOWNLOAD

Take it anywhere

STL for your slicer, STEP for your CAD, DXF for the laser cutter, PDF drawing for the workshop.

Need it made? Coming soon.

Soon you'll be able to order any part you generate, 3D printed or machined, without leaving Partform.

Coming soon