Michelle Delcourt

Henneberg's Minimal Surface
Wolfram Mathworld Page

Parametric Equations

\begin{align} x($\theta$, $\tau$) = 2sinh($\theta$) cos($\tau$) - 2/3 sinh(3$\theta$) cos(3$\tau$)\\ y($\theta$, $\tau$) = 2sinh($\theta$) sin($\tau$) + 2/3 sinh(3$\theta$) sin(3$\tau$)\\ z($\theta$, $\tau$) = 2cosh(2$\theta$) cos(2$\tau$)\\ $\theta$ $\in$ [-1, 1]\\ $\tau$ $\in$ [-$\pi$/2, $\pi$/2] \end{align}