The ten-fold seal script is also called Shangzhuan, and Shangzhuan is Shangzhuan. The ten-fold seal script is based on Xiao seal script. The strokes are repeatedly folded, circled and folded, and the vertical and horizontal directions are stippled to fill the blank parts and achieve unity. "Smooth and full" is the biggest feature of the ten-fold seal script method. The number of folds, the number of folds of each word, depends on the complexity of the strokes, including 50%, 60%, 70%, 80%, 90% and 10%. Call it a 10% discount, "Nine has a number of tails and many words", and describe how many discounts it has. Ten-fold seal script prevailed in Tang, Song, Yuan and Ming dynasties, and has continued to this day. Since the Tang and Song Dynasties, it has been mostly used in official seals. Is a popular "official seal" font, mainly used for seal engraving. Its strokes are folded and curved, even and symmetrical.
Nine-fold inversion
Nine seal characters prevailed in Song, Yuan and Ming Dynasties and have continued to this day. The ten-fold seal script is based on Xiao seal script. The strokes are repeatedly folded, circled and folded, and the vertical and horizontal directions are stippled to fill the blank parts and achieve unity. "Smooth and full" is the biggest feature of the ten-fold seal script method.