JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Issues That Affect IGES Import This section covers issues concerning the importing of IGES files. Note: Certain IGES entities cannot be represented in 2D. Unless you are sure that the IGES file is 2D, you should open a 3D DGN file before importing the IGES file. Keeping Coordinate Units Correct IGES Levels IGES Drawing Sheets and Viewing Visibility Parent topic: IGES File Exchange