Spool Holder

Works for 1kg and 2.5kg spools. Maybe other, too (not tested).

Uses four 9x20x6 ball bearings. Since it's customizable, you can make it fit your favourite BBs.

Printing

• print 4 rails
• print 4 wheels
• print 4 rings

Assembly

• Insert BB into wheel, use ring to keep it in place. Maybe add a drop of CA (I didn't - it fits snugly)
• repeat 4 times :)
• use four 12mm M3 screws to assemble

CTC Bizer

No

Doesn't Matter

0,4

15%