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6203 bearing 3KG spool whirlygig for qidi plus 4 for ultra smooth whirlygigging, mod to FXWoody's excellent model

Uses 2- 6203 bearings, RS or ZZ both work. RS should be fine and cheaper. Printed in ABS with 0.6 nozzle, 6 walls and 25% infill. Bearings are press fit, the spool holder has a tapered internal section to help with printing without…