To Export to a PATRAN File
1. In an open part, click File > Save As > Save a Copy. The Save a Copy dialog box opens.
2. Select PATRAN (*.ntr) in the Type box. The model name without the extension appears in the New file name box.
3. In the New file name box, accept the default name or type a new model name for the export.
4. Click OK. The file exports and the system creates <filename>.ntr.