MK3S Extruder for Prusa Mini

prusaprinters

<p>I had an idea the other day..... wouldn't it be cool to port over the dual gear extruder and filament sensor of the i3 MK3S onto my Prusa Mini?</p><p>Well, now you can.</p><p>See it in action here:&nbsp;</p><figure class="media"><oembed url="https://youtu.be/W5fycPPCwyo"></oembed></figure><p>&nbsp;</p><p>The firmware for this mod is over on thingiverse, you'll need to cut the appendix to flash the firmware: <a href="https://www.thingiverse.com/thing:4761746/files">https://www.thingiverse.com/thing:4761746/files</a></p><p>With the new 4.3.3 firmware out, you don't need to cut the appendix. Just change the steps/mm to 140.&nbsp;</p><p>So instead of shelling out big bucks on a bondtech extruder, now you can get both the extruder and filament sensor in a compact package for under $60 (cheaper if you settle for the chinese bondtech knock-off gears, which I don't recommend).</p><p>If you want to chain up all the way through to the hotend, here's the chain and hotend bracket: <a href="https://www.thingiverse.com/thing:4614287">https://www.thingiverse.com/thing:4614287</a><br>-Just don't print the extruder body, it's not needed with the MK3S design.</p><h3>Print instructions</h3><p>Print at 20% grid, 3 shells in PETG.</p>