The hexagon design is on the cover of Lewis F. Day's book "Pattern Design" by Dover.
The star shape is used in mausoleums Itmad-ud-Daulah and Taj Mahal.
The "hexagon and star" is show in Washburn & Crowe book "Symmetries of Cultures" by University of
Tiles at Alhambra by Branko Grunbaum
Medieval Persian Mosaics
Alhambra tiles by Faelynn
Islamic Geometric Pattern by Bonner
Islamic Pattern by Gendler
Zarah Hussain Islamic art from UK
by John Savard