Reports of the handbook of indiscrete shapes indicate that triangle explored by Khayyām was
used, in fact, as a decorative design by craftsmen (Özdural, 2000). This indicates the fact that principles and rules
of geometry are not only used in architecture, but also geometrical shapes are used to prove scientific problems.
They can be, moreover, used as decorative geometrical shapes due to having specific logic (See Figure 7).