Filament runout sensor for 1.75mm filament, uses M6 bowden tube connectors, micro limit switch,and two M2x12mm screws and nuts, i put a bend in the arm of the switch to shorten it up and make better contact pressure against the filament, there is a chamfer on the inside of the outfeed to prevent the filament from getting cuaght up when feeding it through
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
To post a Make, come back to this Thing and click Post a Make.
Or, you can use the Thingiverse Mobile app found on
and the Apple App Store.