Marblevator, Less Simple, Less PLA.

"Marblevator, Less Simple, Less PLA" is another simple Marblevator. Consisting of only three 3D printed components along with a gear motor, ball bearings, battery pack and batteries, this model is still quite simple and uses less PLA than "Marblevator, Simple" to boot! The model is very light and if used with steel ball bearings will slide around on a smooth surface causing unreliable operation. Therefore I decided to use 11mm nylon ball bearings to greatly reduce / eliminate the sliding while…

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