EinScan-S Calibration Board Stand

The calibration board stand that came with the EinScan-S 3D scanner is a bit troublesome to setup. Designed a 2 piece version to replace it.

EinScan-S (https://www.kickstarter.com/projects/681809941/einscan-s-fast-accurate-safe-3d-scanner-for-3d-pri/description)