3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
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I have an old Mk3s that's been living in a Lack enclosure for almost 5 years now. Back in those days, all enclosures were DYI affairs and the Lack was cheap, easy to build and works.
I have always fed the filament down directly through the top of the enclosure through a "trumpet" that is inserted through the table top. No PTFE tube required or wanted. Something like this is what I use: https://www.printables.com/model/233868-lack-enclosure-filament-grommet Slot style inserts seem to be the rage these days, but I haven't been tempted to switch.
So, unless the Nextruder isn't as good as the old Mk3 extruders, I'm pretty sure you don't need the PTFE tube. Just feed it directly to the top of the extruder as if the enclosure isn't there.
Thanks, that's exactly what I was looking for