Rotating double yarn holder

A simple rotating yarn holder for 2 spools, using printed or metal 6004 bearings

Holders have 2 versions - normal (15mm in diameter) and thin (10mm in diameter), use whatever you want.

Printing: print base and 2 holders. Holders will need supports under the bearing slots!
Settings: whatever you normally use, 10-15% infill and 0.2-0.3 layer height, any hard material. Spool holder upper parts are modeled to be hollow, as infill feels unnessesary and greatly extends print time

You will need to print a pair of 6004 bearings. Ones that i used:
https://www.thingiverse.com/thing:4982500
Try not to use the wide clearance version, or the holders will have a lot of wobble.

Assembly: apply a generous amount of light lubricant to bearings and the bottoms&sides of holder pieces (sprayed slilcon lube works great), then put everything together. You may want to add small rubber feet to prevent sliding. Parts should have a snug fit, but holders can still be detatched from the base with a light pull