Victoria and Albert window

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains three regular 8-pointed star polygons with vertex angle of 90°.
• Contains one regular 16-pointed star polygon with vertex angle of 45°.
• There are 11 non-regular reflective tiles (including 2 kites) and one reflective pair.
• The tiling satisfies the interlace condition and has no finite interlace and two infinite interlaces with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 809 polygons.

1. 1277-1883 (Tunisia. Carved stucco and stained glass) of V&A collections website. Website: collections.vam.ac.uk, UK, 2015. [vami] {Website}

• V&A record Window

v54