This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Topkapi Scroll p. Drawing of muqarnas from Topkapi Scroll Fanshaped radial muqarnas quarter vault rhombodial oneeight repeat unit of an octagonal fanshaped radial muqarnas quarter vault fanshaped radial muqarnas quarter vault and rectangular repeat unit of stellate muqarnas fragment ee bilkent edu tr html islamic medieval anonimous