MMU2_Festo_Holder_M10-Plus22mm.stl
thingiverse
I upgraded pmeyer's "Prusa Research MMU2 improved roller" (https://www.thingiverse.com/thing:3113520/) to significantly reduce rolling resistance on spools compared to stock Prusa spool trays. However, I found that the PTFE fitting was too low and caused filament to rub against the roller, so I modified s_kohl's "MMU2 Festo Holder 1-piece M6 & M10" (https://www.thingiverse.com/thing:3097104), using only the M10 part, to elevate the holes by 22mm, ensuring proper filament height.
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