AutoCAD 3D note-Torus

Torus 

Creates a donut-shaped solid.
1. Choose Draw, Solids, Torus.
or
2. Type TORUS at the command prompt.
Command: torus
Current wire frame density: ISOLINES=4
Specify center of torus <0,0,0>: pick point
Specify radius of torus or [Diameter]: 6
Specify radius of tube or [Diameter]: 2