Lowfriction Toms easy spool holder for Prusa i3 Mk2Mk3
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Low-friction Tom's easy spool holder for Prusa i3 Mk2/Mk3

This is an upgrade to Toms simple spool holder models ...

similar models —

Low-friction Tom's easy spool holder for Prusa i3 Mk2/Mk3 alternatives
SD holder Prusa MK3
Diego López