What is the octahedral principle?

Eight-character pattern is the third generation Chinese character learning pattern invented by China. In the traditional impression of China people, Chinese characters are square, called square characters. "Eight-character pattern" breaks this traditional Chinese character rule. Compared with traditional Tian Zige and Mi Zige, it is more scientific. It is a pattern of learning Chinese characters based on the writing structure of Chinese characters, the principle of calligraphy modeling and people's visual habits.