Compact Bowden MK8 Extruder 1.75
thingiverse
This is a preliminary version of my Bowden MK8 Extruder, suitable for Rostok, Prusa i3, etc. Is Suitable for 1A coil NEMA17. I derived this from another Bowden extruder for MK8 pulley. I completely remade it from scratch and is parametric. 3mm version is coming. It's been designed with Inventor LT 2013 and quite tested for tolerances and resistance. Idler modified to make it more strong against torsion due to hard filament pressure against the ball bearing. Instructions BOM: 1x BallBearing 626ZZ 1x 3mm nut 3x 3x15mm bolt (steel) 1x 3x40mm bolt (steel) 1x 4x3mm hexagonal bolt 1x 3x6.5mm bolt (idler) 1x 4ID x 20mm spring (I used one of the Wade Extruder Idler) 16x 4x10mm washers (spacers between the Nema 17 and the extruder) 1x MK8 Pulley 1x PushFit 4mm x 5mm screw
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