1, it depends on the size of the blank space to choose the best position, spacing and number of printing edges.
2. It is necessary to beautify or make up the work with a white pad.
3. The physical center of gravity or physical center of gravity needs to be corrected by printing.
4, through the author's name, etc. To prove the anti-counterfeiting of the work and give it reliable fidelity.
5. Broaden your horizons with tradition and aesthetics, break stereotypes and realize a broader printing space.