Anet A6 Z-motor scale

This mod allows one to track changes of the Z-axis.

Every tooth on the scale ring means a change of 0.1 mm in height. Every tenth tooth is longer for reading 1 mm changes.

I used a permanent marker to mark a *zero*. I also marked every second tooth to be able to count 0.2 mm changes. That wasn't the brightest idea, as you cannot read the marks well against the black background :)

You have to loosen and lift the spindle rod to insert the toothed ring. The needle clamp has to be clipped t