387 fidget spinners
thingiverse
Fidget spinner that holds 3/8 nuts x 7 and one 608 skate bearing. When printed in ABS, the parts fit together in perfect harmony without any need for glue. The model with nubs allows you to apply a dab of abs cement to the threads of a 3/8 nut and twist it on. You may want to shave off a tiny bit from the corners of the nubs to make this process even smoother. Both models create compact and economical spinners, thanks to the affordability of 3/8 nuts. Sorry if you live in an area that primarily uses metric measurements - it can be challenging to find hardware in metric sizes around here. Feel free to adapt or start from scratch using Tinkercad.com. I created these models with fusion360, adding filets and nubs using Tinkercad.
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