Fidget Spinner - Printable - No Bearings
thingiverse
Fidget spinner that doesn't need separate ball bearings. Simply print it out and watch it spin - a little lubricant can really help things along. This design requires less than 9 grams of material at an infill percentage of just 15 percent. It's inspired by the fidget spinner on Thingiverse, but with a significant twist: this one is only 6 millimeters thick, making it much quicker to print out. The resulting spinner will spin for around four seconds before coming to rest.
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