The best size of the hard-pen calligraphy seal is 0.8 cm, and most of the seals are intaglio, and the square is the most common. The best size of the introductory chapter is 0.6-0.8 cm wide and 1.2- 1.5 cm long. Generally speaking, there should not be too many words, and two words are appropriate.
Calligraphy seal includes name seal, idle seal and corner seal.
The famous seal, generally one side Zhu Wen, one side Bai Wen; 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.
Leisure chapter, used in the lower left corner or lower right corner of a painting, is larger than a famous chapter, and is mostly square or rectangular, no matter how Zhu. The contents are collectively referred to as idle chapters, which can be aphorisms.
The first chapter is mostly rectangular, but also 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.