prefAdd Annulus

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.
annulus
Sizes:
annulus5 annulus6 annulus7 annulus8 annulus9
Height: 0.30 Top radius: 0.70 Top inner radius: 0.60 Bottom radius: 0.10 Bottom inner radius: 0.10
Elements:
annulus0 annulus2 annulus1 annulus4 annulus3
All flags are checked flagOuter side
flagInner side		 flagTop
flagBottom		 flagInner side
flagBottom		 Slices: 6,  Stacks:4
Material: Transparency