What works have been handed down from ancient times in Ni Zan? What are the characteristics?

Ni Yunlin's calligraphy was obscured by his painting name. His handed down books are mainly in small print with lines, which are mostly found in paintings, poems and postscripts, such as Five Poems, Axis of Jing Poems, Boat at the Beginning of the Month, and Zhao Meng Calligraphy Luo Shen Fu Juan. These works are straightforward and try to avoid maturity. They use Gu Zhuo's multifaceted pens, which have a deep sense of separation. Although they are cold and elegant, they are elegant and illusory. His rare large-character running scripts, such as "Poem Axis in a Light Room", are like fine print in style, but more emphasis is placed on lifting and pressing with a pen, which is more refreshing and moist than fine print.