OptionalaxisThe axis perpendicular to the ring plane.
Optionalmaterialattach a rhodonite material to this plane(the default material is the classicUberMaterial
OptionalradiusThe radius of the ring (distance from center to middle of the ring band).
OptionalsegmentsNumber of segments that form the ring circumference.
OptionalthicknessThe thickness of the ring band (half-width on each side of the radius).
Descriptor for generating a ring primitive.