Alhambra, Sala de los Reyes, end walls north and south
T00231, data8/PG365
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Revised: Metrics from AJL, v13
Geometry
- The symmetry group of the tiling is 442 (p4).
- All the internal angles of the constituent polygons are a multiple of 45°.
- Contains four squares.
- Contains one regular 8-pointed star polygon with vertex angle of 90°.
- There are three non-regular reflective tiles.
- The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace.
- The tiling is edge-to-edge.
- As drawn, contains about 145 polygons.
References
Publications referenced:
- Page 365 (Redrawn to display shapes better) of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1993. ISBN 981021704. [abas] {Very many patterns in black and white.}
- Page 33 (Alhambra, Patio de los Leones?. No colouring) of Robert Field. Geometric Patterns from Islamic Art and Architecture, Tarquin Publications, 1998. ISBN 189961822. [field4]
Photographs
v22