Girih tile
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Girih tiles are tilings that have been known since the 13th century. They were used for geometric patterns, mostly on Islamic buildings. Their name comes from the word Girih, which means strapwork in Persian. There are five different tiles, or shapes that are used:
- A decagon (Tabl)
- An elongated, convex hexagon (Shesh Band)
- A non-convex hexagon, or "bow tie" (Sormeh Dan)
- A rhombus (Torange)
- A regularr pentagon (Pange)
The shapes can be combined more or less arbitrarily, and the pattern created will almost look harmonic.
In many ways, these tilings are like Penrose tilings, except that they are 500 to 800 years older.