Add Tape Measure: Trace

Click Edit > Add Tape Measure to add a Tape Measure to the Editor which can be used to measure the distance between objects, borders or the mat.

Click Edit > Add Tape Measure.

A Tape Measure is placed centered on the mat.  

Click on and drag on the Tape Measure Control Points in the corners to resize it.  

Snap the corners of the Tape Measure to the desired objects to measure the distance between them.