Printer Calibration Cubes

After a couple failed attempts to print parts the are supposed to be mated together (they didn't fit), I realized that I don't fully understand how much error my printer has in each axis. So I designed these cubes which can be used to come up with an error profile for your printer.

For each print setting you want to test (speed, number of shells, layer height, etc), print this out, and use a caliper to take **5** measurements on each of the 3 pieces and compare to the expected sizes. Measur