Sivas, Turkey

• The symmetry group of the tiling is *5.0• (d5.0).
• All the internal angles of the constituent polygons are a multiple of 36°.
• Contains 6 regular pentagons.
• Contains two regular 10-pointed star polygons with vertex angle of 108°.
• There are four non-regular reflective tiles and five tiles with no mirror image.
• The tiling is not edge-to-edge.
• As drawn, contains about 216 polygons.

1. Photo by Dick Osseman (Sifahidiye Madrasah, Sivas, Turkey) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

• Tilings with coloured interlacing

v54