Deformation of the Helicoide to Catenoide

This presentation shows the deformation of the Helicoide to a Catenoide, that means, a one-parameter family of surfaces , parametrized by t, which begins at the Helicoid and ends in the Catenoide.


Peculiarity: the gaussian curvature don't change along to the deformation, it is an "isometric deformation".

DEformation of the boy surface to roman surface