Brick panel from Madrasat el-Mustansirya, Baghdad

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 18°.
• Contains five regular two-pointed star polygons with vertex angle of 72°.
• Contains two regular pentagons.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are five 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 249 polygons.

• Brick panel from Madrasat el-Mustansirya, Baghdad (Colour added - traditional star) of Not specific. Personal Communication, Information sent to the author, 21 century . [pc]

• Tiling whose angles are a multiple of 18°

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