I'd like to plot this equation:
x(t,u,v) = ((cos(u)+2)cos(v))cos(a) + ((sin(u)+2)cos(t))sin(a)
y(u,v) = (cos(u)+2)sin(v)
z(t,u) = (sin(u)+2)sin(t)
I haven't seen any examples of someone using 3 parameters, but it seems like it would be possible. It produces the projection of a rotating 4D torus.
