# 40 × 30 × 20 mm CAD reference block · STEP CAD Model

Use this rectangular solid to check whether CAD software preserves the three known dimensions across STEP, Parasolid and ACIS. Download the STEP model…

Use this rectangular solid to check whether CAD software preserves the three known dimensions across STEP, Parasolid and ACIS.

CADProps measured the STEP view at 40 × 30 × 20 mm.

Source: [CADProps](https://github.com/cadprobs-a11y/cadprops-step-models). License: CC0-1.0.

HTML page: https://www.cadprops.com/3d-models/cadprops-block/