Closing the volume
. The model now has three outlets. The two 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 then select the lines defining the outlet in the foreground of Figure 28. Press ESC (see Figure 28).
. Repeat the process for the other outlet to be closed.. From the Files menu, select Save to save the file. Enter a name for the file and click Save.Closing the volume