ANN PRESTON
TETRAS, page 2
2010
Glass laminated solar cells, solar cells, concrete, terrazzo, steel
approx. 1/2x1/2 sq. mi.
ABOVE:

The smallest form, a 1'x2' medallion is located in the center of the floor of the North entrance. This form is multiplied by a function of the Golden Mean to generate the 6 foot wide pattern of the foyer. The next expansion of the pattern encompasses the building and the smaller plaza. Further expansion produces a 420' wide plaza surrounding the building. The final expansion generates fields of solar collectors which are several hundred feet across. The concept could be expanded much further.

BELOW:

The two-dimensional, mathematical/architectural tiling patterns of the Middle-East are based on a small set of shapes and subdivisions which can fill the the void with repetitions and permutations. Three-dimensional tilings behave similarly. This work is based on a system of 4, four-sided, triangular blocks or tetrahedra. These tetrahedra have interesting and complex properties. They can be combined in patterns that fill three-dimensional space without voids. The patterns are aperiodic, that is, unlike bricks they cannot be assembled in a regular pattern that repeats. Instead they radiate out in varying angles and combinations. All of the structures and forms in the buiding and plazas are composed of a single pattern produced by these four forms, and the generations of the same smaller and smaller tetrahedra contained in their internal structure
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