Characteristics of official kiln seal cutting in Song Dynasty
The cloth is symmetrical and full, even and tidy. In the Song Dynasty, the official kilns used ten-fold seal cutting, and the strokes were curved and coiled back and forth, which made all sides full and the cloth white was symmetrical and full, resulting in uniform decorative beauty. Seal cutting is the art of combining calligraphy (mainly seal script) with seal cutting (including chiseling and casting) to make seals, which is a unique art form of Chinese characters.