Under the 3D heading you will find the components Camera, Spotlight, Sun and Light Source. These components are useful tools for developing 3D images. All components under the 3D heading, are invisible on printouts.
The camera, which is used to develop 3D images, is described in a separate topic. Click here to go to the camera help topic. The spotlight and the sun are used to provide lighting in environments where you want to create 3D images.