Bourgoin, Plate 177

• The symmetry group of the tiling is *2222 (pmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains one regular pentagon.
• Contains one regular 10-pointed star polygon with vertex angle of 108°.
• There are four non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has no finite interlace and three infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 379 polygons.

1. Photo by David Wade: EGY 1322 (Barquq, Cairo, Egypt) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1386AD, 788AH)
2. Plate 421 (Barquq, Cairo, Egypt. Carved wood) of Claud Humbert. Islamic Ornamental Design, Faber and Faber, 1980. ISBN 057111587. [humbert] {Useful, contains several tilings.}(1386AD, 788AH)
3. Plate 177 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.} Fuller version available on Internet.

• Wade photo BOU 177
• Wade photo EGY 1322

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