Ender-3 Low Friction Spool Holder (no other parts)
thingiverse
I was not happy neither with original spool holder nor with my previous design. As most of my spools have 50mm diameter hole I designed another spool holder which has two benefits: you don't need any other parts, bearings etc. and it has really low friction. Now I am happy with it as will use it for much longer time :) PETG works nicely for this thing. Slides well :) I designed this solely using Tinkercad and I used unly NUT JOB customizer for threads: https://www.thingiverse.com/thing:193647 the rest is mine.
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