Yet Another Small Extruder
thingiverse
Tested: fully working https://www.youtube.com/watch?v=bGHRNSr4wF4&feature=youtu.be DESCRIPTION: My version of a light direct extruder for Prusa i3 R2 is now fully functional. You can download stl files and a step file which contain the complete extruder 3D model. I'm happy to send original Creo Parametric files if you want, just keep in mind that I'm using the 3.0 Academic version, so these files may not be compatible with commercial versions. BOM: 1x 12V DC 40x40x20mm radial fan (check out the uploaded image) 1x 12V DC 50mm radial fan (view the uploaded image) 1x 12V DC 30mm fan 1x Hotend J-Head all-metal and its support system 4x φ5x2mm neodymium magnets 1x Japan Nidec Copal DC12V Stepper Gear Motor Full Metal Gearbox Ratio 36: 1 (view the uploaded image) 3x 625-Z bearings 1x 304 Stainless Steel Capillary Tube OD 5mm x 3mm ID 1x MK8 Drive Gear for 1.75mm filament 1x Teflon tube for 1.75mm filament STEPPER MOTOR WIRING: Brown connects to White Orange is connected to Yellow
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