CADstudio DWGsync - synchronized viewing of 2 DWGs
DWGsync by CAD Studio synchronizes zooming/panning of 2 or more similar DWG files. It can be used e.g. for visual comparison of drawings, co-viewing a previous version of a drawing, etc. See the tip http://www.cadforum.cz/cadforum_en/dw... and download the DWGsync utility.