V and A minbar

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 8 regular two-pointed star polygons with vertex angle of 72°.
• Contains four regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 72°.
• There are 9 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 421 polygons.

• Plate 186, top (Similar to this pattern) of J Bourgoin. Arabic Geometrical Pattern and Design, Dover, 1879. ISBN 048622924. [bourgoin] {Classical book of around 200 hand-produced patterns, in back and white.}
• (Sultan Shah mosque, originally from Cairo, now in the V&A) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

• Wade photo BOU 186
• Wade photo EGY 1115
• Wade photo TUR 0106
• Wade photo LOU 029
• V&A record minbar

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