plot3d(Axes = None,
       Title = "Parametric Surface Plot",
       TitlePosition = Below,
       [Mode = Surface, 
        [u*cos(v)*sin(u), u*cos(u)*cos(v), -u*sin(v)],
        u = [0, 3*PI], v = [0, PI], Grid = [20, 20], 
        Smoothness = [2,0], Style=[ColorPatches, AndMesh]]);

