3DViewStation is an efficient and safe way to compare two CAD drawings. The following video will present you how to compare drawings in 3DViewStation. There are many scenarios: Revision comparison, CAD translation validation, change documentation ...
3DViewStation can compare two drawings from the same format or from different formats. Geometry can be Native Catia V5, Pro-Engineer, NX, SolidWorks, STEP ...) or neutral (3D PDF, DWG, DXF ...). Differences are documented with colors.