Summary A standardized test of two 2 cm cubes 100 mm apart to test the speed of your printer. To be printed as follows. 2 Shells, 2 bottom layers, 2 top layers. .2 layer thickness 20% infill (honeycomb, triangle or the equivalent for your slicer) 2 Perimeters 2 mm from print to prime hot end. All other parameters such as nozzle diameter, speed, acceleration, bed placement. material, slicer, software, hardware and type of machine are up to the user. The end result has to be within +/- .2 mm in all directions on both cubes to be considered a valid test of speed.