Zaxis servoStepper motor Pen Plotter mount for VSlot
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Z-axis servo/Stepper motor Pen Plotter mount for V-Slot

12282020 Update I added the file RP200411ServoZDualXcfg that has my klipper configuration using the servo for the Zaxis for reference ...

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Z-axis servo/Stepper motor Pen Plotter mount for V-Slot alternatives