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#9 ~Russ’s Filament Extruder: Making "The Puller" & Demo Of A4988 Stepper Motor Driver.

#9 ~Russ’s Filament Extruder: Making “The Puller” & Demo Of A4988 Stepper Motor Driver. in this video i build a filament puller for my extruder. i also show how the A4988 stepper driver works…