Calibration Cube (XYZ)
The XYZ Calibration Cube is a foundational geometric benchmark print measuring 20 mm on each side with labeled axes. It enables makers to measure physical dimensions using digital calipers to verify dimensional accuracy, squareness, and axis calibration.
What the Calibration Cube Diagnoses
Measuring the completed cube with vernier calipers reveals key mechanical parameters: X/Y dimensional shrinkage, Z-axis lead screw binding, elephant foot flaring on bottom layers, and surface ghosting near embossed letters.
Step-by-Step Dimensional Measurement
A well-calibrated machine should produce a cube measuring 20.00 mm (±0.05 mm) along all three axes. Discrepancies on X or Y suggest belt loose tension or incorrect motor steps/mm, while deviations on Z point to layer height or lead screw imperfections.
Calibrating Slicer Tolerances for Production
Commercial print services print calibration cubes across every new filament spool to dial in precise XY Hole and Contour compensation settings in the slicer, ensuring interlocking assemblies fit seamlessly.
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