Anet A6 Calibration tools

Holders for a micrometer like this [Digital Micrometer](https://nl.aliexpress.com/item/0-12-7mm-0-5-x0-01mm-digital-indicator-digital-dial-indicator-electronic-indicator-12-7mm/1703432675.html) to test X, Y and Z-Axis.

There are 2 versions of the Y-Axis clamp one for the standard printer and one with extra room if extra support is added to the printer.

print a holder and the clamp to secure the Micrometer.

The Autodesk Inventor files are included.

16.05.2018 Made small change to z-ax