Filament \ PTFE Seal
thingiverse
I wanted a way to seal off the ends of the filament in the multiple PTFE tubes coming from the sealed enclosure and also prevent any moisture getting up the tubes affecting the filament and seeping into the enclosure itself. These are simple caps that the filament gets locked into by friction then pushed over the PTFE making a pretty tight seal. Printed at 0.25 and made it over extrude very slightly on purpose to create a rough surface. Should work ok on PTFE between 4.2mm down to 3mm OD.
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