Move the point to interact with the applet.
| User action | Applet reaction |
| dragging (left mouse button pressed) | rotating about an axis in the picture |
| releasing left mouse button while dragging | spinning about an axis in the picture |
| SHIFT key pressed plus vertical dragging | zooming |
| SHIFT key pressed plus horizontal dragging | rotating about an axis perpendicular to the picture |
| HOME key | restoring original perspective (no spinning) |