12 tests on one calibration block. Requires calipers to measure min/ max feature sizes for your printer. Recommended print fill is 5%. Tests: horizontal and vertical hole diameters 3-axis feature minimum feature width test scaling accuracy (via 1/2'' x 1/2'' x 1/2'' cube cutout) rounded feature minimum size fillet minimum size max tower height to diameter ratio Max build hangover angle test (30 - 80 degrees) minimum layer thickness

Attribution - Creative Commons

calibration, test