PTFE Path Filament Runout Sensor
thingiverse
A low friction full PTFE path filament runout sensor. I was investigating filament runout sensors but I was not happy with the designs I saw or I did not like their price. So I decided to design my own. The design is based of the these type of GENERIC FILAMENT DETECTION SENSOR https://3dprintingcanada.com/products/generic-filament-detection-sensor-1-75mm The design allows for the filament to only contact PTFE. The PTFE is cut down the middle lengthwise in the box to allow the switch to open with no filament in. This is designed to be inserted into a PTFE filament path.
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