Project #50 Marble Roller

I've been wanting to make another marble machine for some time now, I was inspired to make this one in the rush to the end of this project. A single ball bearing rolls around the ring and the ring tilts to keep the whole thing moving. It's a simple elegant mechanism that evolved from 3 or 4 prior attempts using cams and gears and all sorts of complications. In the end it's just a bent axle and some freely rotating joints.

The underside needs to be stronger before it can be released into the wild but I'll come back to it shortly. (file needs fixing)
50 Projects/ 50 Weeks

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