In this GeoGebrabook a lot of articles are quoted. Of course there’s nothing above reading them yourself. Here’s a list.[br][list][*]Lu & Steinhardt: [url=https://www.researchgate.net/publication/6484358_Decagonal_and_Quasi-Crystalline_Tilings_in_Medieval_Islamic_Architecture]Decagonal ans quasi-Crystalline Tilings in Medieval Islamic Architecture[/url][br][/*][*]E.H. Hankin: [url=http://www.islamic-art.org/ArticlesOnline/BArchViewPage.asp?ArticleID=108&PO=1]the Drawing of Geometric patterns in Saracenic Art[/url][/*][*]Peter Cromwell: [url=http://www.fisme.science.uu.nl/nwd/nwd2009/handouts/tom/Islamic%205%20fold.pdf]The search of Quasi-Periodicity on 5-fold Islamic Ornament[/url][/*][*]Peter Cromwell: [url=https://www.nexusjournal.com/volume-18/volume-18-number-1-2016.html]Modularity and Hierarchy in Persian Architecture[/url][/*][*]Jan Hogendijk: [url=http://www.jphogendijk.nl/publ/Ornamentiek.pdf]Middeleeuwse geometrische Islamitische ornamentiek[/url][/*][*]Lynn Bodner: [url=https://archive.bridgesmathart.org/2008/bridges2008-21.pdf]Hankins 'Polygons in Contact'[/url][/*][*]Lynn Bodner: [url=https://archive.bridgesmathart.org/2011/bridges2011-147.pdf]A Nine- and Twelve-Pointed Star Polygon Design of the Tashkent Scrolls[/url][/*][*]Jay Bonner: [url=https://archive.bridgesmathart.org/2012/bridges2012-141.pdf]a 7-fold system part 1 historical antecedents[/url][/*][*]Jay Bonner: [url=https://archive.bridgesmathart.org/2012/bridges2012-149.pdf]a 7-fold system part 2 contemporary expression[/url][br][/*][*]Carol Bier: [url=https://archive.bridgesmathart.org/2011/bridges2011-497.pdf]Taking Sides, but who's counting? The decagonal tomb at Maragha[/url][br][/*][*]Carol Bier: [url=https://works.bepress.com/carol_bier/38/]The decagonal tomb at Maragha[/url][/*][*]Carol Bier: [url=https://works.bepress.com/carol_bier/86/]Geometry made Manifest: Reorienting the Historiography of Ornament[/url][/*][*]Carol Bier: [url=https://archive.bridgesmathart.org/2002/bridges2002-67.pdf]Geometric Patterns and the Interpretation of Meaning: two monuments in Iran[/url][/*][*]Luc Lauwers: [url=https://www.nexusjournal.com/volume-20/volume-20-number-2-2018.html]Darb-e Imam Tesselations: a mistake of 250 Years[/url][/*][/list][br]An extensive source of photographical material is [url=https://patterninislamicart.com/]Pattern in Islamic Art[/url], with a database of pictures, links to museums, the Topkapi scroll and much more. [br]A nice introduction for dutch speaking people is the website of [url=https://www.goossenkarssenberg.nl/]Goossen Karssenberg[/url]. He’s fascinated by the subject and on his website you can find a lot of info on his activities. The little book [i]Snijpunt Isfahan[/i] of his oldest daughter on their trip to Iran surely is recommended![br]Another person who’s been active in multiple ways with Islamic patterns is [url=http://broug.com/]Eric Broug[/url]. On his site you can read on his art projects, workshops and publications. [br][br]Once bitten by the subject you cannot pass the books by Jay Bonner: [i]Islamic Geometric Patters[/i] (Springer 2017 ISBN 978-1-4419-0216-0) and [i]Islamic Geometric Design[/i] (Thames & Hudson 2013 ISBN 978-0-500-51695-9) by Eric Broug. [br]Getty Publications published The Topkapi Scroll - Geometry and Ornament in Islamic Architecture van Gülrü Necipoglu online. You can legally download it at [url=https://www.getty.edu/publications/virtuallibrary/9780892363353.html]Getty Publications[/url].