Coordinates: cylindrical X (u,v,t) = 3*sin(v)+2*cos(u) Y (u,v,t) = 4*tan(v)+2*sin(u) Z (u,v,t) = 12*v Domain of variables: Min U : -5 Max U : 5 Steps: 280 Min V : -6 Max V : 6 Steps: 280