The Rotate Tool
The Rotate tool lets you pan, zoom, and change the viewing angle to see the model from different directions.
To Pan the 3D Model Select the Rotate tool and hold down the Shift and Alt keys while you drag on the image in the direction you want to pan.
To Zoom the 3D Model Use the normal zoom buttons or select the Rotate tool and hold down the Ctrl and Alt keys while you drag forward to zoom out or backward to zoom in.
To Change the Viewing Angle of the 3D Model Select the Rotate tool and hold down the Alt key while you drag to rotate the model.
To Return to the Normal View of the 3D Model Click the Home button above the small view window at the bottom of the side menu. You can also right-click the vignette and choose Home.