Архитектурный орнамент Востока * 2

Строим орнаменты из десятиконечных и пятиконечных звёзд на сетке ромбов с углами 72° и 108°. Пор ходу дела приближённо вычисляем tg54° с точностью 0,1%. Bier C. (2012). The decagonal tomb tower at Maragha. Bier C. (2015). Geometry in Islamic art. Bonner J. (2003). Three traditions of self-similarity in Islamic geometric ornament. Cromwell P. R. (2009). The search for quasi-periodicity in Islamic 5-fold ornament 5 Cromwell P. R. (2010). Islamic geometric designs from the Topkapı Scroll I. Cromwell P. R. (2010). Islamic geometric designs from the Topkapı Scroll II. Embi M. R., & Abdullahi Y. (2012). Evolution of Islamic geometrical patterns. Kaplan C. S. (2000). Computer generated islamic star patterns. Kaplan C. S. (2005). Islamic star patterns from polygons in contact Sarhangi R. (2012). Interlocking star polygons in Persian architecture. Wichmann B. (2008). Symmetry in Islamic geometric art.