Spool roller for 608 or 636 bearings. Max width of the spool 100mm.

btw I'm using 3d printed bearings from SiberK (https://www.thingiverse.com/thing:2468780/files) and it works quite well, just a bit noisy :)

No

0.3 (0.2 for the pins)

15% Triangles

You need to print:
4x pin (608 or 636) [don't forget to place it on the flat face in your slicer]
2x stand
2x roller
2x connector