The model now has three outlets. The two outlets farthest from the origin
of coordinates must be closed. The third will be connected to the rest of
the piece when the T junction is imported.
Choose Geometry Create
NURBS Surface By contour and select
the two lines defining the outlet in the foreground of Figure 30. Press ESC.
(See Figure 30)
Figure 30. Creating a NURBS Surface
to close the outlet in the foreground
Choose Geometry Edit
Hole NURBS surface. Select the NURBS surface just created. Then select
the lines defining the hole. Press ESC. The result is shown in Figure
31.
Repeat the process for the other outlet to be closed.
From the Files menu, select Save in order to save the file.
Enter a name for the file and click Save.