Filament sensor/guide for Ender 3

prusaprinters

<p>While ago I installed bl-touch on my Ender 3 and was left with a spare z-axis endstop so I decided to use it as a filament sensor (from software and electronic point of view I followed <a href="https://youtu.be/gwHpXaj_6xE">this tutorial</a>). I looked through many such solutions already available but I wasn't happy with any which led me to design my own and here is the result!</p><p>In this design I combined the function of filament sensor with filament guide and apart from functionality I also tried to make the result look as aesthetically pleasing and as simple as possible so it only uses few screws and few easily printed parts.</p><p>So far it has worked great, so I hope it can be of some use for you too!</p><p>Parts needed:</p><ul><li>2x M5 screws - 20mm</li><li>2x M5 nuts</li><li>2x M3 screws - 20mm</li><li>2x M3 nuts</li><li>2x M4 screws with T-shaped nuts (the ones from the original endstop part can be used)</li><li>2x 608 ball bearings</li></ul><p>3D printed parts:</p><p>All necessary parts are bundled in all.stl with the mount to the frame angled at 25 degrees, which I found works the best. However there is also version of the mount at 0 and 45 degrees if you would prefer that.</p><h4>Print Settings</h4><p><strong>Printer Brand:</strong></p><p>Creality</p><p><strong>Printer:&nbsp;</strong></p><p>Ender 3</p><p><strong>Rafts:</strong></p><p>No</p><p><strong>Supports:&nbsp;</strong></p><p>No</p><p><strong>Resolution:</strong></p><p>0.2</p><p><strong>Infill:&nbsp;</strong></p><p>15 %</p><p><strong>Filament:</strong> Filament PM PLA Black<br>&nbsp;</p><p><strong>Notes:</strong></p><p>Print time was about 3 hours.</p><p>&nbsp;</p><h4><strong>Post-processing</strong></h4><p>You will need to polish the surfaces of the gliding part with sand-paper or similar means so it can move fairly freely and without friction against other parts. Apart from that the installation is quite straight-forward.</p><p>&nbsp;</p><p>&nbsp;</p><p>Category: 3D Printer Parts</p>