EnSuite-Lite

EnSuite-Lite has viewers for all commonly used CAD formats. You do not need CAD software or licenses to view any of the supported file types. Viewers are currently available for CATIA V4, CATIA V5, CATIA V6 (3dxml), Rhino, etc. It also comes with user-friendly tools to obtain accurate information from all major CAD systems including Measure, Bounding Box, Foot Print, and Model Compare.