x = (sinh(v)*cos(3*u))/(1+cosh(u)*cosh(v))
y = (sinh(v)*sin(3*u))/(1+cosh(u)*cosh(v))
z = (cosh(v)*sinh(u))/(1+cosh(u)*cosh(v))
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License