Rock Tumbler
thingiverse
This is a custom rock tumbler I built for my mom's Christmas gift. Non-printed components include: a high-torque 12v electric motor, a speed controller (which may not be necessary), two 230x10mm metal shafts, four 26x10mm bearings, sixteen threaded brass m4 inserts, eight m4 25mm hex bolts, a 4.75" x 4.5"(dia) rock drum, and a 12v wall adapter with a female connector. Printed parts include two rollers, two roller pulleys, two supports, and four roller bushings. The belt was printed with TPU material and is surprisingly resilient. Electric motor: Nextrox Mini 12V DC High Torque Gear Box Electric Motor Speed controller: Universal DC 12V/24V Motor Speed Controller Switch https://media.giphy.com/media/hofcgIz5IjPDuoy87Z/source.mp4
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