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kids
By
Dave I
4
designs
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421
A 3D Printed Kinetic Marble Machine.
Greg Zumwalt
4
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999
A 3D Printed Windup Car Using a "Runaway Escapement" Speed Regulator.
Greg Zumwalt
38
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2552
Refrigerator Rover
Greg Zumwalt
12
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4645
"No Fall" Toy Mechanism
Greg Zumwalt