
Ender 3 Stock Switch Filament Runout Sensor (PC4-M6 fitting)
thingiverse
This is a remix, of the stock switch filament sensor by satchie (originally by sausage-gravy). I added threads for a PC4-M6 fitting on the input side of the sensor so I can connect my drybox tube to it, the output side just has a bowden tube slot that you can press or glue into. Use the wrench that comes with the printer to tighten the fitting carefully. You can use the stock Z axis endstop switch with the same screws for this.
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