Those are some interesting detailed examples, yes. The construction methods are still known for many patterns, however: http://gilleain-torrance.net/assets/ima

Those are some interesting detailed examples, yes. The construction methods are still known for many patterns, however: http://gilleain-torrance.net/assets/images/blog/orosi-tryptych.jpg http://gilleain-torrance.net/assets/images/blog/orosi-trypty... for example. There is a greak book http://broug.com/books/ http://broug.com/books/ - the 'Islamic Geometric Patterns' one. I also like the videos by Mohamed Aljabani : https://m.youtube.com/@BawabatAlkhatAlarabi https://m.youtube.com/@BawabatAlkhatAlarabi which show the constructions as animations