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Resumen:
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This paper will explore a highly unusual, nine-pointed star polygon design found in two locations at La Alhambra - in a wooden ceiling of El Mexuar and also in a ceramic dado in the Mirador de Lindaraja. The design, which consists of both nine- and twelve-pointed regular star polygons, may be reconstructed using only the geometer?s tools of straightedge and compass (or the electronic equivalent, the Geometerics Sketchpad software). Photographs of the ceiling and the ceramic dado will be shown and compared with idealized, computer-generated patterns, one colored and the other in skeletal form. Lastly, the design will be analyzed for geometric structure and crystallographic symmetry group classification.. |
