NURBS

Create a non-uniform rational basis spline (NURBS) surface.

On the Construct tab, in the Create Surface group, click the  NURBS Surface icon.

Tip: Press S,5 to use the shortcut key.

	Specify the order of the Bézier curves	The degree of the Bézier curve in the Uʹ direction and Vʹ direction.
	Point position	The position of each surface control point is specified.
	Weight	The weight of each surface control points is specified.