Filament Runout Sensor w/ Limit Switch

thingiverse

This is a remix. v3: After some testing I decided to realign the limit-switch and the bearing. Now the sensor works without the "ptfe holder" with even less friction. v2: Thought it would be nice to have a cover. Also reworked the holes for the ptfe tubes. Adopted the "spare out" to use this sensor with a higher variety of limit swichtes, cause of different solder joint. Also added smaler holes to insert two pieces of ptfe tube for more filament stability. Cheers and thx to 3djpco for his great design! 1. For the cover use M2x5mm screws 2. To insert the ptfe tubes into the holes you dont need glue. Just a bit of pressure.