Geneva drive
A driver turns steadily; the four-slot wheel steps a quarter turn each time round and waits in between. Press play.
How to make yours
- Turn it around in the 3D view to see how the parts fit together.
- Press Make it mine: a copy of your own opens in Assembly, with every part and joint.
- Press play on its Motion step to watch it move.
- In Assembly, pull it apart with Explode, read its parts list, or export it as STEP.
Also called
geneva drive, geneva mechanism, intermittent motion, indexing mechanism, printable geneva drive, maltese cross mechanism.