Optical filament runout sensor

thingiverse

Hello everyone ! A small end-of-filament optical detector, which operates with basic functionality, employs two microtubes of PTFE (preferably Capricorn) along with the most flexible pen spring possible. The more flexible it is, the less it will impede the passage of the filament in the detector, even if shortening it becomes necessary. It's up to you to conduct your own tests - nothing complicated! Don't forget to bevel the ends of the PTFE tips. For my optical Endstop, I use this model: https://www.aliexpress.com/item/32812813219.html?spm=a2g0s.9042311.0.0.27424c4d9L5afA Good print to all ...