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(Made permanent) Ball Bearing Ender 3 Spool Holder

by Shine75 Aug 17, 2018
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how should the spool sit, does the bearing go through the hole of the spool?

the bearing is made with 6mm airsoft bb ?

I don't see what the spacers are for... ?

They are here to avoid the bearings to touch the spool holder arm and/or nut.