A three-dimensional structural framework composed of interconnected struts arranged in geometric patterns, typically triangulated for maximum strength and minimal weight. Space frames can span large distances without intermediate supports.
Term emerged in the 1950s as engineers developed three-dimensional truss systems, evolving from 'space' (three-dimensional) and 'frame' (structural skeleton). The concept built upon earlier work with geodesic domes and aircraft structures.
The Centre Pompidou in Paris features one of the world's most famous space frames - its external steel structure not only supports the building but becomes its defining architectural feature! Space frames allow architects to create column-free interiors as large as airplane hangars while using surprisingly little material.
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