Creates a NURBS torus (donut shape).
The degrees of rotation around the center of radial primitives.
For example, if you enter 180 degrees in the sphere tool, Alias creates a hemisphere.
Size can be either Absolute or Relative, and determines which of the following parameters can be set.
The distance between the center of the ring and the center of the tube. This option is only available if Size is set to Absolute.