
References
• I’ve met Sir Roger Penrose and he signed my RAFT “idea sheet” …). https://raft.net/idea_sheets/what-are-penrose-tiles/
• https://en.tessellations-nicolas.com/
• The Math and Art of M.C. Escher: https://mathstat.slu.edu/escher/index.php/Math_and_the_Art_of_M._C._Escher
• http://www.etropolis.com/escher/notes1.htm
http://members.tripod.com/vismath/dunham/
• http://www.porcelainia.com/tess.html
• See Martin Gardiner’s 1988 book “Penrose Tiles to Trapdoor Ciphers” — https://www.maa.org/sites/default/files/pdf/pubs/focus/Gardner_PenroseTilings1-1977.pdf
• Roger Penrose – Forbidden crystal symmetry in mathematics and architecture YouTube presentation: https://www.youtube.com/watch?v=th3YMEamzmw
• How to make your own tessellating lizard: https://2m9f1z15c8mny1dunw8i2do3-wpengine.netdna-ssl.com/wp-content/uploads/2020/08/525-Tessellating-Lizard.pdf