The ViewCube is an interface tool that you can use to help you navigate within a 3D view.
The ViewCube is a persistent, clickable, and draggle interface that you can use to switch between standard and isometric views of your model. By default, the ViewCube displays whenever you switch to a 3D view. When the ViewCube tool is visible, it initially appears in the upper-right corner of the active window, although it can be positioned in one of the other corners.
When it initially displays, the…