Thingiverse
Spool holder for Bear upgrade MK3/MK3S
by RH_Dreambox
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Spool holder for two filament spools. The drums are fixed and do not rotate.
An earlier model with ball bearings ran too light and the filament spun itself up from the spool.
An earlier model with ball bearings ran too light and the filament spun itself up from the spool.
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