Spinner Base
thingiverse
Basic three-arm spinner base. Made to hold 608 bearings with a simple push of your thumb. Compatible with your standard LEGO pieces. After testing several different types, I've discovered these affordable bearings offer an ideal balance of performance and price: https://a.co/dQ8ZgRF You may also be interested in the companion bearing mounting block shown. It can be found here: https://www.thingiverse.com/thing:2688158
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