Is Deng's thousand-character seal script a big seal script or a small seal script?

Xiao zhuan. "Thousand-character seal script" uses small seal script font. Deng (1743- 1805), whose first name was Yan, was like a stubborn stone, so he used line characters, and later he became more stubborn. Because he lives at the foot of Wangong Mountain, he is also known as Taoist, Wanbai Mountain, Feng Shui Fisherman and Longshan Qiaochang, and is from Huaining County, Anhui Province.