A pulley hub for F695-2RS bearings. The overall width is 9 mm.

May need tiny amount of support on the bottom surface, but might not be necessary.

Can print in whatever material you want, this part shouldn't be near any of the heat of a soldering iron.

Designed with 0.2mm layer height in mind.

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The motivation for this design was the observation that with the bearing stack, only one of the bearings outer races rotated. This design requires no spacers and prevents the line from getting caught in gaps between the bearings or spacers.