If there is a tool that I count on more than my stereo microscopes, then I sure can't think of one. I find a low power microscope will tell me things that I just cannot validate any other way.And, the performance and precision of a 3D printer is no exception. So, for the first time, I was able to examine the prints from the cube under 10x to 40x and analyze the characteristics of printed surfaces.My favorite test shape is an extruded...