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M2 upgrade: What's the Z-axis Pitch?

I just finished upgrading my Maslow to the MakerMade M2 Z-axis stage.
True, the M2 upgrade comes with new electronics based on GRBL, but…
In the spirit of don’t try to change too many things all at once,
I’d like to give it a “spin around the block” using the old electronics and Ground Control.
To do this I need to know the Z-axis pitch. Anyone know what it is? Thanks!

8mm x 2 due to gears = -16mm pitch must be negative because motor is upside down. Always have one hand on the power switch when calibrating so it doesn’t run away by accident.

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