Here are 3D maps and 3D views of the Mosque, in Constantinople, that you can use in the Horror on the Orient Express campaign for Call of Cthulhu, published by Chaosium.
(REMINDER : THIS IS NOT AN OFFICIAL DESIGN, BUT ONLY FAN ART CREATED BY DRAKEN RPG)
(Click on the picture to open the full size version in a new tab, then right-click and save!)
