Splits a
surface into multiple surfaces at the selected isoparms.
Edit NURBS > Detach
Surfaces > 
- Keep Original
-
If Keep
Original is on when you perform the detach, the original
curve or surface is retained.
Changing the detach position
You can edit the area
of detachment with the Show Manipulator Tool.
Select the detached curve and the detachSurface node in the Channel
Box, then select the Show Manipulator Tool.
If you drag the black manipulators, the area of detachment grows
and shrinks accordingly.
