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M12 Penta Spinner
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Fidget Spinner
Uses 5 M12 nuts for weight and a 608 bearing.
Recommend also using these: http://www.thingiverse.com/thing:2052282
Holes for the nuts and the bearing to fit in should be tight by design. Place the nuts and bearing in the freezer while the spinner prints. Then Press fit them in while still cold. It is possible to press fit them at room temp, but the freezer makes things much easier. If you still cannot get the nuts to fit, try printing at 101-102%.
You will want some kind of grip for this spinner as it is thicker than a 608 bearing in order to allow the M12 nuts to sit flush. As a result, the 608 bearing will be inset slightly and be more difficult to use without a grip.
Uses 5 M12 nuts for weight and a 608 bearing.
Recommend also using these: http://www.thingiverse.com/thing:2052282
Holes for the nuts and the bearing to fit in should be tight by design. Place the nuts and bearing in the freezer while the spinner prints. Then Press fit them in while still cold. It is possible to press fit them at room temp, but the freezer makes things much easier. If you still cannot get the nuts to fit, try printing at 101-102%.
You will want some kind of grip for this spinner as it is thicker than a 608 bearing in order to allow the M12 nuts to sit flush. As a result, the 608 bearing will be inset slightly and be more difficult to use without a grip.
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