Gravitrax Motorized Marble Lift

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This is my Gravitrax compatible marble lift. I have designed it around a small 5V geared motor. It is designed to be easy to print and easy to build. Several variants can be printed to lift marbles to different height. The lift has 3 inputs and outputs. EDIT 29/02: Added spirals in one piece with various sizes as well as counter-clockwise versions of the spirals. You can pick the right spiral depending on the direction of your motor. If you have the wrong direction you can reverse the polarity of the motor but cheap DC motor typically have a preferred polarity. They will work in both directions but the brushes are more durable in the indicated polarity. ** Make sure you print the lift and spiral with matching direction. ** Here is a video showing how it works and how to assemble it: https://www.youtube.com/watch?v=dNK3wqF1nXE Link to the motor: https://www.banggood.com/GA12-N20-Mini-DC-6V-30RPM-Gear-Motor-p-971121.html

Author:
ffleurey

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