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A circular minimal surface is disturbed by two small circles: the left one moving up and the right on moving down. Creating a mountain and a vale.

Minimal Surface / Soap Film

Apps BATS, Kangaroo Physics, Minimal Surface Creator
References Minimal surfaces
Tensile surface from curves
Live Soap Film
Minimal surface
Bolha de sabão

Soap films are surfaces that naturally minimize their total area; their shapes reduce surface energy. Its applications in architecture were explored by architect Frei Otto, who systematized the evaluation and measurement processes.

If you wan to understand why soap bubbles are studied in engineering you should definitely check this video from Paul Kassabiam: