Surfaces38 of 113
Enneper surface
Alfred Enneper, 1864
A minimal surface given by polynomials. Near the centre it is a gentle saddle. Let the disc widen and its rim folds back and passes through itself.
(u − u³/3 + uv², v − v³/3 + vu², u² − v²)
On mathcurve.com as Surface d’Enneper
Drawn as