Printrbot Simple Metal Flexible Filament Extruder Arm
thingiverse
After I ordered some NinjaFlex SemiFlex and attempted to print it with countless other add ons I found on thingiverse, nothing could print it for long without buckling. So I took matters into my own hands and designed this. This is a replacement Extruder arm for Printrbots that is modified to be more suited for printing flexible filament. The shaft guiding the filament to the drive gear is longer than the one on the original aluminum arm and the flat parts sandwiching the bearing encroach more on the drive gear eliminating any buckling. V4 is a great combination with thirdhorizon's Printrbot Flexible Filament Direct Drive Extruder http://www.thingiverse.com/thing:403438 V3 helps in combination with EricPrint's Printrbot NinjaFlex Pilot Upgrade http://www.thingiverse.com/thing:730243 It is not limited to only printing flexible filaments and can be used with PLA, ABS, etc. Even fits underneath my Locking Extruder Handle V2 http://www.thingiverse.com/thing:724326
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