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Astonishing spans can be achieved using filigree, doubly curved steel and glass constructions. This is made possible through their shell-like load-bearing behaviour. In the past, key figures such as Frei Otto, Jörg Schlaich and Hans Schober imparted great momentum to this lightweight construction technique. The building housing the Dutch National Maritime Museum in Amsterdam was formerly a warehouse on the IJ. In the course of restoration work, its 1,024 m2 inner courtyard was covered with a shallow transparent dome. Despite a base side length of 34.30 m, the Ney & Partners design calls for a lattice shell height of only 5 m. This way, the dome does not rise above the existing roofs of the historically listed building.