Creates a NURBS sphere.
Create a 3D geometric primitive
The degrees of rotation around the center of radial primitives.
For example, if you enter 180 degrees in the sphere tool, AliasStudio will create a hemisphere.
The number of subdivisions (spans) on the surface.
The default is 8. At least 4 subdivisions are usually needed to create a workable primitive shape. It is not usually necessary to use more than 20 subdivisions.
Surface: create sphere from a single NURBS surface.
Shell Tennis Ball: create a sphere from two interlocking surfaces stitched into a shell like a tennis ball.
Shell No-Pole: create a sphere from eight surfaces stitched into a shell.
