OBJ Export for AutoCAD is a plug-in for AutoCAD 2000, 2000i, 2002 and 2004. This plug-in gives AutoCAD the ability to export geometric data from AutoCAD to Alias|Wavefront OBJ files.
OBJ Export for AutoCAD is very easy to use. It adds a new command to AutoCAD called "OBJOUT". Simply type "OBJOUT" at the AutoCAD command prompt and select the entities to export.