Ender 3 - DIY Filament Runout Sensor
thingiverse
Based on these designs: https://www.thingiverse.com/thing:3061551 (use roller from this one) https://www.thingiverse.com/thing:4272336 (insert PTFE tubes like in this one) https://www.thingiverse.com/thing:4061095 https://www.thingiverse.com/thing:1698397 You will need three 2mm x 16mm screws and nuts for the switch, as well as a 608 bearing and a 3mm x 20mm screw and nut for the roller. Microswitch I used: https://www.banggood.com/10pcs-5A-250V-3-Pin-Tact-Micro-Switch-Sensitive-Microswitch-Micro-Switches-Handle-KW11-3Z-Limit-Switch-p-1262681.html To set up, watch this YouTube video: www.youtube.com/watch?v=gwHpXaj_6xE
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