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I saw an Inca Llama figurine in the Sainsbury Centre for the Visual Arts that I liked a lot. So much that I decided to make it out of wood as an automaton.

90 degree indexing mechanism - STL,STEP / IGES,SOLIDWORKS - 3D CAD model - GrabCAD

"A 90 degree indexing mechanism which has no iddle return through and which can be operated by a short stroke of the indexing member.

Intermittent with Rack and Cam Mechanism

An intermittent mechanism for low speeds, with a locking system. The input shaft moves a cam (orange) and also has an eccentric axle that.

Cam-operated Ratchet Pawl

Designed to start the rotation, stop it and hold it stationary for a period, then repeat everything. This mechanism is intended.