Roofing the rectangular courtyard of the British Museum posed a delicate problem, as it had to take into account the circular form of the former reading room of the British Library. The structural grid that was ultimately adopted is the result of superimposing three functions to arrive at a triangulated mesh comprised of 6000 component parts. The spectacular result shows how computers can today free designers from the limitations of geometry and the necessary repetitiveness of components to achieve arbitrary and plastic forms that are structurally at their optimum.
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