Pyramid Roller Ball Machine

Pyramid Roller Ball Machine

grabcad

From the book "Building Wooden Machines - Gears & Gadgets for the Adventurous Woodworker" by Alan & Gil Bridgewater. It works based on gravity and contact/friction only. Three ball are driven by a rod, and they drive all the others. The ZIM file can be open on IOS and Android devices using Simlab App (free).

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