Hex nut cat spinner
update 2017-02-08: added SAE (5/16") version
update 2017-02-05: corrected M8 nut size
- easy to print
- small (kid size?)
- uses 1 X 608zz bearing (22x7)
- uses 2 X M8 hex nuts
- the secret for easily installing hardware... vise grips
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Hex nut cat spinner
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