Diwani calligraphy style developed by the calligrapher Ibrahim Munif. Then, enhanced by Sheikh Hamdullah and Daula Ottoman calligrapher in Turkey late 15th century and early 16th century. This style is used to write an official letter head of the kingdom. The character of this style and not berharakat round. The beauty of the writing depends on the line games that are sometimes at a particular letter or neninggi decline, far exceeding the standard horizontal line. Diwani calligraphy models used for architectural ornament and book covers.