Importing and Exporting Files > Exporting Files > To Save a Figure as a 3D File
  
To Save a Figure as a 3D File
1. Click File > Save Figure As > Save As 3D. The Save Figure As 3D dialog box opens.
2. In the File name box, type a name or accept the default.
3. In the Type box, select a file format:
IGES
PDF
U3D
VRML
STEP
4. Click Save. For large files, the Save Figure As 3D dialog box opens with a progress bar.