QUBD : Bowden extruder with the original drive gear with 3/8' thread push-in connector.
thingiverse
This "thing" uses the original drive gear or "mk7", so that I don't need updating the firmware. Also, it takes the push-in connector with 3/8" thread. Originally, I used the 6mm, but they are - Easily clog the filament ( more often than the extruder itself ) - Easy to pull off by itself ( after I screw / unscrew few times ) With this "thing", simply sandwich more tighten if the push-in connector got ever loose, . I use the arm and idler here. http://www.thingiverse.com/thing:38281 But I believe the following also work. http://www.thingiverse.com/thing:15718 http://www.thingiverse.com/thing:21686 http://www.thingiverse.com/thing:43411 http://www.thingiverse.com/thing:53009 ( print reverse )
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