Charbagh Madrasah, Ceramic mosaic

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 2.5°.
• Contains two regular two-pointed star polygons with vertex angle of 80°.
• Contains two regular 8-pointed star polygons with vertex angle of 100°.
• There are 7 non-regular reflective tiles (including one kite).
• The tiling satisfies the interlace condition and has three finite interlaces and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 355 polygons.

1. Page 104 (Charbagh Madrasah, Isfahan, Iran. Ceramic mosaic) of Würfel, Kurt. Isfahan, nisf-i-dschahan: das ist die Hälfte der Welt, Küsnacht-Zürich, 1974. [wurfel] (1714-4AD, 1126-6AH)

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