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UM2 feeder assembly. Quick release.3D printer parts and enhancements
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A variant of iRobertl's excellent design with some improvements I felt necessary.
This feeder uses a 4mm metal eyelet at the filament entry point to minimise friction. The entry and exit points are as close as possible to the hobbed drive gear and the pressure arm is simplified and made more rigid to help prevent filament "wandering"
Materials and methods
Uses existing UM2 feeder parts.
4mm eyelets (search eBay)
3mm Wingnuts (optional)
Edit: The ball joint is part: S0429 if you need to source elsewhere..
I also used these - an excellent (replacement) source for bowden collets:
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