Designed in Baku by Zaha Hadid, the Heydar Aliyev Center melts architecture's basic distinctions — wall, roof, floor, column — into a single fluid surface. The building is formed not from the joining of parts but from the curving of one continuous shell.

In a traditional structure the floor is horizontal, the wall vertical, the roof a separate element above; these meet at corners, with seams. In the Heydar Aliyev Center there is no such separation: the ground rises like a wave into the wall, the wall curls into the roof, and with the same continuity descends back to the ground. This is possible only with parametric design — digital modelling that defines form with equations and continuous curves. There is no visible column or sharp corner; the space is beneath one great shell that you enter.

The structure is two-layered: behind, a space-frame steel system carrying this free form; in front, a smooth white skin of glass-fibre-reinforced polyester (GFRP) and concrete panels fitted onto that frame. The joints of the panels are concealed as much as possible so the surface looks continuous and seamless. The Heydar Aliyev Center is thus a mature example of digital/parametric design turning from a play of form into an architectural experience built at public scale.