Mausoleum of Buyan-Quli-Khan

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one square.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are five non-regular reflective tiles.
• The tiling satisfies the interlace condition and has two finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 235 polygons.

1. Figure 144 (Central Asia) of Donald Newton Wilber. The architecture of Islamic Iran; the Il Khānid period, Princeton University Press, 1955. [wilber] {208p}

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