Maker Select calibration tool

Calibration tool for monoprice maker select.
Attaches to bearing from back with
2 m4 x 25 mm screws.
Add a dial indicator and it will help with leveling z axis and bed.
m3 x 12 screw and nut to tighten dial indicator into place

To level z axis.
1. Lower bed completely in all 4 corners.
2. Home z axis
3. Measure height closest to z limit switch(home position.
4. Move carriage to opposite side compare measurement to home position.
5. Adjust lead screw to make values equal.
6. M