This is a bearing spacer for yoyos with a size C Bearing. Behaves similarly to some older Duncan Yo-yos with Size A Bearings and use 2 bearing spacer seats on either side for adjustable gap width.
Print with 0.15mm layer height or lower, and a 0.4mm or smaller nozzle, at 100% infill.
The author marked this model as their own original creation.