3d mouse

I tried to activate my 3d mouse on my desktop, but it will not work. Anyone? i restarted my desktop after installing V21

If you select an edge or surface, and click-hold both right and left mouse buttons, one can orient the part round the selected edge/surface using the mouse. What I discovered is that you can then also use a 3D Mouse to orient the part - far more easily - while still holding the right and left...