Fix top axis for 1-dimensional cubes (should not show).
Fix top axis for 1-dimensional cubes (should not show).

kpartlow/n-cube-editor,bheekin/n-cube-editor,jdereg/n-cube-editor,jsnyder4/n-cube-editor,bheekin/n-cube-editor,jdereg/n-cube-editor,jsnyder4/n-cube-editor,jdereg/n-cube-editor,tympollack/n-cube-editor,tympollack/n-cube-editor,kpartlow/n-cube-editor