After the classical forms created using scale models came even more fluid and daring shapes, born of the power of sophisticated new mathematical tools that have literally swept numbers out of architects' offices and replaced them with algorithms. Each more spectacular and unexpected than the last, these architectural forms offer a wide variety of designs around the world.

The Pialoux water tower in La Roche-de-Glun (Drôme).

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Conic sections in all their glory -----------------------