Designed to clip onto 20mm extrusion, with optional 3mm hole for fastening to T-Nut. For Reverse Bowden PTFE Feeder. There is an optional section for PTFE between the two fastener prongs. Renders shown with PTFE in the middle.
Technical
Thread have been smoothed a bit, and there are no unsupported overhangs. no supports should be required. Minor knife cleanup may be useful.