Filament guide with z end stop runout sensor

thingiverse

This uses the stock z end stop sensor as a runout sensor. Supports is needed and can be slightly difficult to remove but is possible. End stop switch needs slight bend on tip of switch ash shown in picture. You will need to print: 1 - bracket 1 - ring - (print ring.stl first, if it isn't tight enough then ring-sm.stl is slightly smaller inside). 2 - spacers You will need: 1 - 608 bearing 1 - M4 x 16mm bolt