Creates a spline surface from a set of control points.
Laced - Check to select control points in a laced pattern, rather than by rows.
Points - Check to define the surface by points rather than entities.
U Points - If Points is checked, enter the number of control points to be used in the U direction.
V Points - If Points is checked, enter the number of control points to be used in the V direction.
Name - Specifies a name for the surface. Use this name later to select the surface.