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Involute Gear Lab

v0.2.12

Design printable spur gear trains.

3D Home ↗
click for isometric
Drag to orbit · right drag to pan · wheel to zoom
1 3D · 2 2D · F fit · T top · V projection · Space play · ? shortcuts✓Ready
Viewer shortcuts
1 / 23D preview / 2D outline
FFit isometric view
TTop view
VPerspective / orthographic
SpacePlay or pause gear motion
?Show shortcuts
MouseDrag to orbit · right drag to pan · wheel to zoom
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Find a gear pairTell us the ratio and shaft spacing you need.
Step 1 of 2 · Gear ratio

What does your mechanism need?

Ratio means driven gear teeth divided by driver gear teeth. Set a tolerance if a near match is acceptable. This finder checks geometry and printability, not torque capacity.