Free · Build a measured cube for printer checks
3D Printer Calibration Cube Maker
Choose the exact cube size and optional center holes for quick print measurements.
- Real solid geometry
- Private in your browser
- STL and OBJ downloads
Set the size
All measurements are in millimetres. The preview and download update together.
MeasurementsMove a slider or type an exact size.
A slicer may need to rotate or split a multi-part model before printing.
Model previewBuilding the starter model
Building your modelOpenJSCAD is making the real solid geometry.
Three simple steps
How to use it
- Choose the size you plan to measure after printing.
- Keep the test holes or set them to zero.
- Print, cool, then measure each side with calipers.
Your model stays on this device
OpenJSCAD builds the solid and makes the STL or OBJ file inside this browser tab. Bookify does not upload or save your measurements. Check the finished file in your slicer before printing.