bravo! Original thing is 324946
thingiverse
Fit like a charm.. This "filament feed" sits on top of the dual extruder of my CTC machine. I was having terrible issues with "bind" as the original tubes simply sit on the top of the extruder and I could hear it "popping" This took some cleaning work so the threads would work but combined with the "rear filament" piece, has resolved all my issues with filament binding
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