PDF 1.6 and later files can contain interactive 3D drawings embedded using U3D, the
Standard ECMA-363 Universal 3D File Format. You can export
Arbortext IsoDraw CADprocess 3D IDR files to U3D (
*.u3d) files. 3D-capable PDF readers can open the exported U3D file. (For more information on the U3D file format, see the
Universal 3D File Format presentation on the Ecma International website.)