Interior walls were clad with panels and friezes with geometric patterns in relief that would originally have been coloured, as if they were fine fabrics.
This type of decoration appears in muqarnas in the West and in the East and was used on window cornices and arches. It is made up of interconnected prismatic parts of different shapes.
Finally, geometric calligraphic decoration in kufic script adorns the friezes of religious and civil buildings.