Dual hobbed bolt extruder: no-grinding attempt
thingiverse
I'm working on building a more reliable extruder for my large 3D printer. My current setup is a Bowden extruder and I've encountered issues where the filament struggles to be extruded. The mechanism utilizes two hobbed bolts to push the filament through. I have completed printing all of the parts, but haven't yet put it to the test as it's still in its conceptual stages. For now, I'll withhold uploading the body STL file due to some discrepancies that I've rectified by removing excess material with a cutter. Update 2014-10-20: I've uploaded two different versions of the main component.
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