Universal Filament Sensor - Hemera+MMU2 Compatible

thingiverse

Simple Presence Sensor for Filament Uses an optical sensor to instantly detect when filament is present in its path. Unlike traditional mechanical spring or endstop systems, this sensor has no moving parts - it's virtually indestructible. This sensor is fully compatible with the MMU2 - filament is securely constrained from start to finish, and a spot for a M10 fitting allows you to lock down a bowden tube in place. For installation on the E3D Hemera, check out the Omnipack! https://www.thingiverse.com/thing:4015118 BOM (Amazon Affiliate Links) Get the complete kit here for just $15 - https://www.lukeslab.online/shop/filament-sensor Printed: 1x Base 1x Lever Purchased: 1x Optical Endstop - https://amzn.to/2LdtusR 3x M3x10mm screws - https://amzn.to/2L84uDd 1x 8mm Diameter Steel Ball - https://amzn.to/34GrNvF 2x Magnets, 5mm OD, 2mm Thick https://amzn.to/34Rr6iU 2x PTFE Tubes, 4mm OD (Optional) - https://amzn.to/2svUM72 1x M10 Fitting, 4mm Tube OD (Optional) - https://amzn.to/2q6NJRo For optimal installation, attach the M10 fitting to the input side and secure the filament sensor relative to the extruder - see the photo on the Omnipack for a clear example. The optical sensor is secured using 2 M3 screws - ideally 10mm long, threaded into the plastic base, then clamping onto a mounting bracket with the remaining thread as a stud.