New tilings, Septagons

• The symmetry group of the tiling is 7.5• (c7.5).
• All the internal angles of the constituent polygons are a multiple of 25.71 (π/7)°.
• Contains one regular two-pointed star polygon with vertex angle of 51.42 (2π/7)°.
• Contains one regular heptagon.
• The tiling is edge-to-edge.
• As drawn, contains about 436 polygons.

1. Centred tiling of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Tilings not constructible by straightedge and compass

Photo?

v54