The Alhambra, Sala de las dos Hermanas
T01468, data174/NC5
(Click on image for high-quality PDF version)
Geometry
- The symmetry group of the tiling is *442 (p4m).
- All the internal angles of the constituent polygons are a multiple of 45°.
- Contains one regular four-pointed star polygon with vertex angle of 45°.
- Contains one regular 8-pointed star polygon with vertex angle of 90°.
- Contains one regular 8-pointed star polygon with vertex angle of 45°.
- There are five non-regular reflective tiles.
- The tiling satisfies the interlace condition and has two finite interlaces and one infinite interlace.
- The tiling is edge-to-edge.
- As drawn, contains about 379 polygons.
References
Publications referenced:
- Photo from Nick Crossling (Wood inlay from a side gallery of the Hall of Two Sisters) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]
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