Expanded metal is the most commonly used sectors as suspended ceilings, façades and fences, barristers. Expanded metal mesh, which offers architectural options with different Diamond Sizes and can be shaped, is a product frequently used by architects. Expanded metal mesh has a 3-dimensional appearance and has a very functional use in refraction of light due to its blurring feature. Perforated metal sheet is 2-dimensional and also refraction of light and diffraction of light with different patterns are provided.