Fidget Tri Spinner - Skate Bearings
thingiverse
Another Fidget Spinner that's as compact as possible, perfect for smaller hands. This one uses standard skate bearings for smooth operation. I purchased these bearings from Amazon: https://www.amazon.com/dp/B00MS7S9FQ/ref=oh_aui_detailpage_o04_s01?ie=UTF8&psc=1 I printed the body using Wood PLA at a layer height of 0.2mm, while the caps are made from Black PLA. The result is a functional fidget spinner that works great. Update: I added a smaller cap to make it easier to see the metal bearing outside. With this design, you can still push the bearings in with your hands, although they may be a bit tight.
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