-SHADEMODE command
Specifies the shading style for the SHADE command.
                Description
Specifies the shading style for the current drawing to be used by the SHADE command.
Options
- 2dwireframe
 - Wireframe display with no shading.
 
- 3d wireframe
 - Wireframe display with no shading.
 
- Hidden
 - Wireframe with hidden lines removed.
 
- Flat
 - Flat shading.
 
- Gouraud
 - Smooth shading.
 
- fLat+edges
 - Flat shading with edges highlighted.
 
- gOuraud+edges
 - Smooth shading with edges highlighted.