Shrinking can be done by sketching or outlining
Enlargement can be colored, etc
The next pen is heavy and does not mix colors, and the next pen is light and mixed (as shown in the lower left of the picture)
缩小可以打草稿或者勾线
放大可以上色等
下笔重不混色,下笔轻混色(如图左下方)
The illustration uses only this pen
例图只用了这只笔