Bipolar or unipolar stepper motor

Is it 3 or 4? If it’s 4, it could be the backlash settings. You could try changing the “X Axis Backlash” and “Y Axis Backlash” settings to 0, and see if that fixes it. I just did that to fix an issue where the backlash settings were making the laser slow down at the anchor points on a circle. Here’s the post:

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