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From:
http://www.geometrica.com/en/gridshells
The anonymous blogger writes:
"A gridshell's organic shape and column-free space provide unlimited design freedom to architects and structural engineers. These innovative space-frame structures derive their strength from having double curvature in their overall shape. In that, they are similar to geodesic domes. But while geodesic domes are limited to spherical surfaces, gridshells may take on different curvature in each of two orthogonal directions."
"Artful use of geometry allows lightweight gridshells to span vast expanses of space. They provide all the efficiency of geodesic domes, but with playful forms and whimsical support conditions. Gridshells are also known as free form domes, freestyle domes, lattice shells, or reticular domes. Geometrica calls its gridshells "Freedomes®", its registered trademark for these structures in use since the mid 1990s."
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