Is Zhao Rufei's calligraphy a common word?

Yes Zhao Rufei's "trapezoidal grid calligraphy" is famous for its science, perfection and high efficiency, and has won a national patent. This method combines traditional calligraphy with modern science and teaching art by using the knowledge of "golden section", "lever balance" and "perspective principle", so that students can quickly master the structure and writing skills of Chinese characters. So Zhao Rufei's calligraphy is a orthography.