Alhambra, Sala del Mexuar,

Four short carved and painted wooden beams between the four corners of the central lantern and the outer walls.

• The symmetry group of the tiling is 4*2 (p4g).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains one square.
• Contains two regular octagons.
• There are two non-regular reflective tiles.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 182 polygons.

1. Photo from Nick Crossling (Alhambra, Sala del Mexuar, Spain. Little colour in original, plaster panel) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

v54