LEGO gear flex shaft extruder
thingiverse
I'll use LEGO parts to create the main gear because it's readily available, high-quality and inexpensive. I will provide all source files. BOM: 1. LEGO 40T Gear (3649 or 34432) 2. LEGO Worm Gear with New Axle (32905) 3. Self-tapping Threaded Insert M3X6mmX3 4. M3X8mm Screws X2 5. M3X30mm Screw X1 6. M3X12mm Screw X1 7. 6X10X3mm Ball Bearing X4 8. 5X8X2.5mm Ball Bearing X2 9. 4mm Flex Shaft Core + 4X6mm PTFE Tube or Another Finished Product 10. M4X6mm Hexagon Female Brass Spacer X2 11. 8mm OD 20mm Long Mold Die Spring Yellow 12. 9mm OD 11mm Long Extruder Wheel 13. 5mmX35mm Stainless Tube or Shaft for the Worm Shaft 24T Gear Version: https://www.thingiverse.com/thing:3919431
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