Use the Import>Surfaces function to import bi-cubic, NURB, Offset and Tapered Offset, and trimmed/untrimmed surfaces.  Note that only surface files that had been written (exported) using the Export>Surfaces function can be read in using this method. 

Importing a FastSURF Surfaces File:

Follow the steps below to import a surface (.SRF) format file:

1.        Select FastSURF Surface from the File>Import submenu.

2.        The Import Surfaces dialog appears, through which you are able to specify a .SRF file to import.

3.        Specify a file to import and select OPEN.  The program will then attempt to import the specified file.  To exit this dialog, click CANCEL.