aperiodic tiling
- Penrose Tiles
- “Penrose's second set is usually known as the kite and dart.” http://www2.spsu.edu/math/tile/aperiodic/penrose/penrose2.htm
- “Penrose's third aperiodic set is known as the Penrose rhombs.” http://www2.spsu.edu/math/tile/aperiodic/penrose/penrose4.htm
- Wang's tiles (cf. Wang's Carpet)
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