3DPrinting

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Prusa MK4 with enclosure filament feeding (lemmy.world)

submitted 8 months ago by ArtVandelay@lemmy.world to c/3dprinting@lemmy.world

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I'm contemplating a Prusa MK4 + official enclosure and I'm looking at the way the enclosure handles filament feeding into the (N)extruder. Normally, filament is loaded directly from the spool into the extruder, but with the official enclosure, I see it's fed through a PTFE tube and coupler. It seems to me this would make changing filaments mid print quite a pain. Would I be ok simply feeding the filament into a PTFE tube, but cutting it way short of the extruder and simply feeding it in from there into the extruder without the tube?

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[–] ShepherdPie@midwest.social 2 points 8 months ago* (last edited 8 months ago)

You could instead drill a hole in the top and then feed the filament through a filament sensor screwed to the inside ceiling. I think you just need something to handle the side to side forces. There's no need for PTFE all the way to a direct drive extruder.