The measures equal (29 black lines) or almost equal (17 red lines) to stand width in tugra of Sultan Abdulhamid II

Written by Calligrapher Sami Efendi

For different determinations of similar measurements and various details please check following article: Derman, Uğur M. Tuğralarda estetik. İlgi Journal, number: 33, pp.16-24. 1982