Click View
tab Views
panel ViewCube. At the Command prompt,
enter navvcube.
Right-click the ViewCube tool and click
ViewCube Settings.
In the ViewCube Settings dialog box,
Display, ViewCube Size, select or clear Automatic. If Automatic
is cleared, drag the ViewCube Size slider left or right.
Dragging the slider to
the left decreases the size of the ViewCube tool, while dragging
the slider to the right increases the size of the ViewCube tool.