Nozzle height test print

I use this simple file to test my nozzle height. It is only .50mm tall so does not take long to print.I check the bottom of the print to see if I am getting good contact and appropriate squish on the first layer.The exact perimeters and fill are not too important as this is so small. I used 3 walls and 25% fill.I recommend using a 2 perimeter brim that is offset 10mm to give you something else to compare with.When I was just getting started I wish someone had shown me a diagram like the one I us