Calibration Cube with Circles - 20mm

Calibration cubes are often printed as a diagnosis step when you are unable to print perfect circles. This version of such a test comes with indented and extruded circles built in to help you streamline your troubleshooting and save you having to print something else with circles after anyways.

**Dimensions:**
- 20mm x 20mm x 20mm cube (+2mm to extruded circle)
- 10mm indented hole diameter (2mm deep)
- 10mm extruded hole diameter (8mm from inside walls)

Basically if your print comes o