(This course mainly teaches you how to get started with the most popular painting technique: board painting. It mainly explains the use skills of Sai software of board painting experts, and teaches you how to use hand-painted board to draw fast and exquisite paintings, that is, the study of board painting. The entry-level course lays the foundation for future study of shipboard painting. It is suitable for children's shoes who have certain basic painting skills but can't draw on the tablet, tablet lovers, and children's shoes who want to learn the basics of Sai software!)