Spiral Marble Machine
Greta Bautista
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Published:2026-01-10 02:37:21
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Summary
A motorized marble machine with a twist.
The motorized lift is modular to allow retrofitting other tracks.
https://youtu.be/sWrOkAP1kJQ
(updated RUN1.stl 9/19/15)
Instructions
Printed RUN1.stl at .2mm layer height. Others at .3mm layer height.
Motor is a 298:1 Micro Gearmotor from Pololu
Battery pack is Digikey p/n BC4AAW-ND
Switch is Digikey CWI334-ND
Marbles are 11/32" ball bearings
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