Square or geometric Kufic is a very simplified rectangular style of Kufic widely used for tiling. In Iran sometimes entire buildings are covered with tiles spelling sacred names like those of God, Muhammad and Ali in square Kufic, a technique known as banna'i.
We have worked on this script with Aspasia, Christina, Argyro and Dionysis
al nour by Aspasia
ahlan wa sahlan by Dionysis
ahlan wa sahlan by Argyro
al oudoud by Christina
you can have more informations about the koufic script here: