You can adjust all Views of 3D interactive models using the following movements:
Pan: Pan the model by holding down the space bar and clicking and dragging it around the screen. Zoom: Use the scroll wheel on your mouse to zoom in and out, or use CTRL + or – (⌘ + or – for Mac users)
Center: Double-click a structure to center it within the View.
Rotate or tilt: Click and drag the model to rotate or tilt it.
Refresh View: Click the name of the View in the top-left corner of the screen to return to the original preset View.
Background Color: This button at the top of the screen allows you to toggle between a white or black background for your Views.