2020 Filament Runout Sensor Snap on (Slide on) Mount for Ender-3 and others

thingiverse

Update: I'm convinced that the mount is causing the filament to get stuck. I'll be working on creating a better path and posting updates soon. Any suggestions would be helpful. I was dissatisfied with most filament runout sensor mounts for the Ender-3 because they were mounted too close to the extruder. When the sensor activates and the filament retracts, it gets tangled up in the runout sensor. So I modified keithcorcoran's excellent snap-on filament guide to hold a filament runout sensor. This design should work for many 2020 extrusion machines in addition to the Ender-3. The sensor is secured by two M3 bolts and nuts. The length will be determined by the thickness of your sensor housing.