To Create a Blended Surface from a File
1. Add the Blend from File command to the desired user-defined group on the ribbon.
For information about customizing the ribbon, see the Related Links.
2. Click the arrow next to Blend from File, and click Surface. The SURFACE: Blend from File dialog box opens, listing the following elements from the surface feature:
Coord System—Defines the coordinate system for the surface feature to be created.
File Name—Specifies the file name from which to create the surface. By default, the system searches for this file in the current working directory.
Material Side—Specifies the side for adding the material. To change the direction, click Flip and then click OK.
3. Click OK to create the defined surface.