3/8 bearing weight spinner 6 rays, 18 bearing!
thingiverse
I use these caps https://www.thingiverse.com/thing:1848330 Customized version of http://www.thingiverse.com/thing:2108154 Made with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=2108154 Also, created a tool to press balls in evenly using pliers and a removal tool made from a vice. Will post link soon
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