Watch Part 6 of the tutorial.
The groups you created previously are still in the model.
These groups and subgroups allow you to move and rotate different components of the lamp.
You can position the lamp in many different poses, by picking and rotating individual groups around the x, y and z axes.
The wire model can be shaded to give a more realistic view of the geometry. Diagnostic shading can be accessed in the Control Panel to the right of the Alias interface.
To return to the wireframe view, choose the wireframe icon .