Ender 3 Flexible Filament Extruder with push through fitting by akeeling12 3d model
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Ender 3 Flexible Filament Extruder with push through fitting by akeeling12

Ender 3 Flexible Filament Extruder with push through fitting by akeeling12

by Thingiverse
Last crawled date: 3 years, 3 months ago
This extruder helps close the gap between the extruder gear and the bowden tube. It allows you to push the bowden tube through the fitting, and trim it to match at the extruder gear. I would dry fit the bowden tube before fitting it through the fitting.
This design was inspired by fixfels extruder, which i was using a modified version of. It worked very well, but I would struggle with the nut clamping down on the bowden tube (nut would split, bowden tube slip, etc). So i took Fixfel's CAD and added threading for some extra hot end fittings I had on hand.
We print very soft hytrel material at work, and rarely experience issues with this extruder option.
Here is the link to the fitting I am using. This is a standard fitting for the hot end on the ender 3, so any should work.https://www.amazon.com/gp/product/B01IB81IHG/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Credit to fixfel for his design:https://www.thingiverse.com/thing:3839360
and he credits
Inspiration from FedorSosnin:https://www.thingiverse.com/thing:3109805

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