Optical Filament detector block

Optical Filament detector block

thingiverse

I wanted to have an optical filament detector, so I bought one and adapted it accordingly. This block fits most optical switches of this kind and is designed specifically for use with 1.75mm filament. The specific model I purchased can be found here: https://www.ebay.com/itm/Optical-Endstop-3D-Printer-Parts-Optical-Switch-Sensor-Photoelectric-Light-Co-/283519930668?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 To ensure proper alignment, I will design a mounting bracket that attaches to the top of the frame. My direct drive setup utilizes an overhead feed. Even after a clean print, any filament might experience difficulty passing through initially. Once I managed to get it all the way through, I made several passes on a short piece of filament and now have no issues with filament passing through. This detector will prevent knotted or melted filament from getting through.

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