4. Color comics, it is recommended that markers be colored. Marker is a professional quick coloring pen with transparent color and convenient coloring. Color discrimination is very fine, and there are basically all of them in chromatography. The disadvantage is that it is expensive. Good brand marker 8~ 12 yuan. If you buy 50 colors, you need 500 yuan. The mark can match colored lead. Water-soluble colored lead should be used with water-based marker. After water-soluble colored lead is coated, it will have a faint watercolor effect.

5. If you apply gouache and watercolor, the paper will generally shrink. It is suggested to add water-soluble colored lead to the marker.