Free 

Modified original ender 3 extruder ARM M5 coupler. (optional) Works with original ender 3 endstops.
BASE M6 coupler. Add PTFE tube to base.
Lid screw not needed lid is snap-fit. (M3)
Not tested on a bowden system might get in the way with the leadscrew
Project is WIP but abandoned
0.2mm layer, 3 walls, 15% infill












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