To navigating the model view
The view window contains a unique control device called the Rotation Gizmo which allows you to select set view orientations or to orient the model in the view about the global axes.
Click the Rotation Gizmo to display preset views.
Click the Invert icon to display the reverse of these views.
- Click and drag on the Rotation Gizmo axes to rotate the view about that global axis.
- Click on the zoom controls to zoom in or out of parts of the model. Click-and-drag the middle mouse button (i.e., scroll wheel) to pan the view.
- Click on the Perspective control to display the perspective switch and slider.