This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Penrose. Penrose tiles in star nonPenrose pattern note this tiling shows the five fold symmetry of the two fat and thin Penrose tiles but it is not legal Penrose tiling pattern legal Penrose pattern follows edge rules These rules when followed result in pattern that is quasiperiodic math Released as PD on en see org Penrose en