For hand painting, just use a 32-color general outline pen. If you want a better effect, buy a double-ended Korean brand or one made in Shanghai. There is no fixed brand requirement. This mainly depends on the individual painting. Technique: To get the effect in the picture, it is best to use hot stamping printing, but if you have a small quantity, it is not cost-effective

The price of the pen generally ranges from 40 to 120 for 32 colors

The price for 16 colors ranges from 80 to 200

For hot stamping, the quantity is small. I’m not sure about the start-up cost. I think your page-by-page version is more expensive and the area is larger

It is estimated to be based on 500 copies. A serving should cost 0.5~1.0 yuan, mainly depending on the quantity and actual size