Filament runout sensor holder for vertical 2020 extrusion rail

prusaprinters

This remix is basically a holder for @TBA's runout sensor case which can be mounted on the top, vertical extrusion rail of your 3D printer.Parts needed1x ±50mm PTFE tube4x 4mm M3 screws (for the end stop and case lid) 1x 15mm M3 screw1x M3 T-nutAssemblyUsing an X-Acto knife, cut out the PTFE so it looks exactly like this:  Carefully insert the PTFE tube from the top into the case with the help of some pliers - try not to apply to much pressure to avoid bending the tube: You can use a flat screw driver and push on the lower rim of the tube inside the case to push it further down so it sits like this:   Now you can insert the Z-stop and screw it tight using two 4mm M3 screws: Now put the lid on top and screw it tight, again using two 4mm M3 screws: Thats it!