1. Generally, the seal is written in Zhu and written in white. Or engrave the surname and the name at the same time, and the two sides will cooperate to use it. The size of the seal is roughly equal to or smaller than the inscription. The position of the seal can be stamped around the signature handwriting. The distance between two seals should not be too far, nor too crowded, which is about equal to the position of one or two seals.
2. Angular pressure seal. Used in the lower left corner or lower right corner of the painting. Corner seal is larger than name seal, mostly square or rectangular, regardless of Zhu. The contents are collectively referred to as idle chapters, which can be aphorisms.
3. introduction Most of them are rectangular, and some are oval or irregular. It is used to the right of the first two or three words of the title, so it is called an introduction. The content is similar to the corner seal.