Tri Fidget Spinner with Balls
thingiverse
created in Tinkercad. It has a nice weight to it and enough mass for a decent spin. a common 608 skate bearing is used in the center. The outer bearings are 6 1/2" stainless ball bearings. Mine measure 12.67mm and the hole is designed to be tight at 12.7mm. I press fit carefully with the bearings heated up. I used my toaster oven, be very careful they are hot and will burn you. The center bearing snapped into place with a little bit of force. I have center caps designed that are decently thick, but have not test printed them yet many other spinners have useful center caps that can be used, as long as they are designed for a 608 bearing. I'd love to see your makes!!! comment with any questions, I'll try to respond. Printed in ProtoPasta Carbon PLA
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