Here's a link to Annie's blog where she linked to recommended materials.

https://arbitrarilyclose.com/2018/07/21/supply-list-islamic-art/

Here's a link to a Google drive folder with some templates for playing with possible designs:

https://drive.google.com/open?id=150k9LBzzV_2cubeElDdJPXyJ9oROlJFDE7fh6MbuDCY