Gauge for Prusa MK3 Nylock Bed Leveling Mod

This is a tool to help with leveling the print bed of a Prusa MK3 printer using the Nylock bed-leveling mod. The idea for this came from 'The Histed Dial' posted on thingiverse by jonnyhifi, which can be found here:

https://www.thingiverse.com/thing:3112209

Take a look there to get some good description and details.

The Histed Dial is a great tool, but I had a few issues with it, so I designed an alternative. Here are some details about the issues and changes:

- The dial sticks out