Fidget Spinner with BALLS
thingiverse
I built this mini spinner for my wife, considering her petite frame and Donald Trump-esque hands, which made the larger spinners a bit too cumbersome. This one requires four 8mm steel bearings to be inserted, followed by an additional 608 bearing in the middle. To prevent any potential issues, I strongly advise printing a set of bearing caps, available here: http://www.thingiverse.com/thing:1848330 You have two print options for this project: normal and beefy. After testing both, I printed mine out of PETG, but discovered that the standard version is prone to breaking if dropped, which was a bit of a concern.
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