# Twin block STEP assembly

Two occurrences of a single block let you check whether a STEP viewer keeps instance placement and counts repeated parts. Download the STEP model and…

Two occurrences of a single block let you check whether a STEP viewer keeps instance placement and counts repeated parts.

CADProps measured the STEP view at 50 × 20 × 30 mm.

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

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