Thickness Gauge Tool

When I am designing something in 3d, I always have the problem to visualize the thickness of the perimeters of my models. This is why I decided to design and share this simple tool to help me and others who have the same problem.

Measurements of thickness can also be done by checking the difference in high between 2 adjacent steps for example the 3 mm step that is not present by default can be calculated/visualized as the difference in height between the 7.0 and 4.0 steps.

This tool can a