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  1. I have an Ultimaker 2 which admittedly I have not been happy with. Since I received it I have had a constant issue with the gear on the extruder stepper motor grinding the filament. I tried every possible solution I could find from ensuring the nozzle is clear, super slow printing, various filament tensions, and many others approaches. None have been successful. It has gathered dust on the shelf until recently since I require some special prototyping parts. I decided to use an extruder assembly from another printer of mine I have since disassembled. However, I require the extruder to rotate the other direction in order to use it. Are there any ways either in Cura or manually to modify the direction of rotation for the stepper motor, preferably in software, because I would like to avoid making possibly damaging modifications to the PCBs?
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