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Contrivance – A Modular Mechanism Machine

Contrivance is a wooden modular mechanism machine. Plans for Contrivance include patterns and Assembly Instructions for: Three different size track gears, elliptical gears, kooky gears, a Geneva wheel, a linkage, a Scotch Yoke, a ratchet, a hypocycloid reducer, and a tourbillon. Plans are available at: http : //www.derekhugger.com For the Knowledge collectors out there, I've worked out the math and Documented governing the motion of some of the mechanisms. You can download free PDF files of That math here: http://www.derekhugger.com/tools.html

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Go over to the makers YouTube channel for more info on these marvels

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