prefAdd Sphere

Parameters Name, Material..., Path..., Show axes, Position, Angle, Scale are general for all objects. They are considered here.
Group Sizes sets the sizes of object. Group Elements defines a design of object. Parameters Slices, Stacks influence quality of object display.

sphere1 sphere2 sphere4 sphere5
Start: 100 Stop: 100 Top: 60
Bottom: -20
Start: 20
Top: 60  Bottom: -60
Elements of constructions:
sphere6 sphere8 sphere9 sphere10
Parameters on screen shot Top: 40
Top cap: Center
Top: 40
Top cap: Flat
Slices: 6   Stacks: 4
Material: Transparency