Gridfinity Height Ruler - 20 steps

A simple ruler to measure the height of gridfinity bins and of things you want to put into bins.------This is a remix of the Gridfinity Height Ruler from ABDELat. See their model for more info about how to read the rulerI extended it to reach a grid height of 20 for some bigger projects. The model is printable in multicolor with and without AMS