Calibration Cube Keychain

Always wanted a Calibration Cube Keychain, but didn't like the 'external loop' style, so I made an inlayed notch.

I've had success with .20mm layer height, was a quick print otherwise.

Will likely not scale as the jump ring will not fit through otherwise.

Remixed from: https://www.printables.com/model/118657-calibration-cube

Printables: https://www.printables.com/model/520717-calibration-cube-keychain

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