Humayun's Tomb, Delhi

• The symmetry group of the tiling is 2*22 (cmm).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 11 regular two-pointed star polygons with vertex angle of 72°.
• Contains three 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 6 finite interlaces and no infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 469 polygons.

1. Photo by David Wade: IND 0208 (Humayun's Tomb, Delhi, India) of David Wade. Website: patterninislamicart.com, UK, 2015. [wadei] {Website}(1570AD, 977AH)
2. Figure 26, page 13 (Tashkent scroll) of Gülru Necipoğlu. The Topkapı scroll : geometry and ornament in Islamic architecture, The Getty Center for the History of Art and the Humanities, 1995. ISBN 089236335. [necipoglu] {Beautiful publication.}

• Wade photo IND 0208

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