Creates a sphere centered on the current workplane.
- Select the center point of the sphere. The point will be projected onto the current workplane.
- Click to size the sphere, or enter the radius in the Inspector Bar.
The sphere is created, centered on the workplane. 
Sphe re Properties
The Properties window of a sphere (and hemisphere) contains a Sphere page, in which you can set the radius. 
For TC Surface Options, see TC Surface Properties.