3DPrinting

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Prusa MK4 with enclosure filament feeding (self.3dprinting)

submitted 11 months ago by ArtVandelay to c/3dprinting

6 comments fedilink hide all child comments

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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[–] [email protected] 2 points 11 months ago* (last edited 11 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.