When working in 3D, you'll often want to display several different views so that you can easily verify the 3D effects of your editing. One of these viewpoints is often an isometric view to reduce the number of visually overlapping objects. From a selected viewpoint, you can create new objects, edit existing objects, or generate a hidden-line or shaded view.
Several commands are available for viewing in 3D. You can
Viewing Parallel Projections in 3D
Displaying a Perspective View
See Also
Controlling the Drawing Display
Removing Hidden Lines in 3D