"This website offers a FREE download of over 4000 images of patterns and other design features drawn from the rich cultural heritage of the Islamic world. Historically, the decorative arts have always formed a major part of Islamic aesthetic expression. Its remarkable achievements in this direction (much of which are represented here) make it an invaluable resource for designers of all kinds as well as for art-historians and art-lovers generally."
Pattern in Islamic Art, npr, Wikipedia
Pattern in Islamic Art, npr, Wikipedia