Select a geometry item in the Scene View or on the Selection Tree. See Interactive Geometry Selection for more information.
Click Render tab > System panel > Autodesk Rendering .
Use the Materials tab to apply a material to the selected geometry if no material has as yet been applied to it.
Select the mapping type appropriate for the geometry from the Rendering toolbar, for example, Box .
Use the fields on the Material Mapping tab to adjust the mapping as necessary. The results are available in the Scene View in real time.
To remove a material from the Materials tab: