Rectangular: Rectangular rugs are the most common and there are a variety of sizes.
Treadmills: The walkways are also common, being rectangular rugs very long and narrow. In the current market, the runners present measures between 75-90 cm wide and 180-600 cm in length, and in some cases exceeding its length. Are used in the coverage of stairs, entrances and hallways. Therefore there is also the name of joggers. The use of crosswalks in steps of stairs is a practice common in Europe. Until about 70 years ago, the runners were used in rooms decorated in Persian Type and living rooms.
Round: In the round rug, width and length are equal and, in turn, are equal to its diameter of the rug. So, when looking for a 3x3 round rug, we know that it has a diameter of three meters. The carpet round oldest so far found is dated to the Mamluk rug Sec.XVII manufactured in Egypt with complex geometric designs. Over the past 50 years, round rugs were popular in Iran, being woven in the cities of Tabriz, Isfahan and Nain. The geometric reason most round rugs tends to be the locket.
Oval: The oval rugs are rare and his style was from China and France, currently popular in Iran has not been established norm of standard measures for its form, but these rugs are measured in the same way as the rectangular rugs. The larger diameter is considered the length and width is considered minor.
Squares: Rug squares are also considered rare. As the name implies has a width equal to the length.
Other ways: You can find rugs with hexagonal shapes, octagonal or even triangular.