Simple PTFE-lined extruder ender 3
Description
My take on modifying the Ender 3's stock extruder to be (consistently) usable for TPU. Aside from about 20mm of PTFE tube (standard 4mm outer, 2mm inner diameter), all stock bolts etc. Personally have it installed in DD configuration, but bowden should work fine aswell. Assembly is more or less the same as the standard extruder, except you have to cut the 20mm of PTFE tube into 2 parts and cut 1 of each end to a point (see render). One goes into the arm, one into the base. Yes, this works for the ender 3, 3 pro, 3 V2 and 3 max. Both parts are remixes from other creators, but I can't seem to find the original posts for them since they've been on my PC for a while.
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