AutoCAD 2008 User's
Guide > Work with 3D
Models > Create 3D
Models > Create 3D Solids and
Surfaces >
Create 3D Solids and Surfaces
To create a polysolid from an existing object
To convert one or more objects to surfaces
To create a planar surface from an existing object
To create a planar surface by specifying the corners of the surface
To convert objects with thickness to extruded solids
To convert one or more surfaces to solids
To subtract solids from one another
To create a solid from the intersection of two or more other solids
