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Tiki Central / General Tiki / 1958 pics Waikikian / Tahitian Lanai

Post #563951 by bananabobs on 11/07/2010

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B
bananabobs posted on 11/07/2010

A saddle roof is one which follows a convex curve about one axis and a concave curve about the other. The hyperbolic paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber, steel, or other conventional materials.[1] The term is used because the form resembles the shape of a saddle.
Sometimes referred to as a hypar, the saddle roof may also be formed as a tensegrity structure.[2]
Mathematically, a saddle shape contains at least one saddle point.

You can see from the pictures, the roof was made of long straight pieces of wood.

A good example of a hyperbolic paraboloid is a Pringle.