Compact Bowden Extruder, 1.75mm Filament for MK7 Drive Gear
thingiverse
This NEMA extruder kit is efficient and simple to use. So far, no issues with performance. Huge thanks go out to schlotzz for his well-designed build. Printed PLA at 0.2mm resolution with a moderate level of infill. Adjusted the openSCAD file dimensions for the larger M7 drive gear. https://youtu.be/KOxYsVrG6cI Purchase parts from banggood: M7 drive gear Idler bearing PTFE Tube - 1.75mm PTFE push fitting M5 Instructions Required Parts: 2 x M3 x 25mm screws with washers and nuts 2 x M3 x 10mm screws with washers and nuts 2 x M3 x 15mm screws with nuts 1 x M5 x 10mm screw 1 x 608 bearing 1 x M7 drive gear 1 x PTFE push fit connector Approx 500-700mm of PTFE / Teflon tube Optional: Small spring for adjustable tension on idler
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