tera4dWhat’s Tetra4D Reviewer? Tetra4D Reviewer is a powerful 3D CAD data translator and active mockup tool supporting over 20 major CAD formats. Users have the ability to Review in anTetra4D Reviewer is a separate application that is included with the purchase and trial for Tetra4D Enrich and Converter. Most of the primary functions capable in Converter are also functions in Reviewer. For example,