Gu Weijing quickly summarized the key points of sketching.
Don't be fooled by the addition of a sketch; compared to Western-style heavy color, the visual perception of sketching is much better, and the realism of characters and buildings is elevated by more than one level.
Sketching is considered the foundation of modern painting techniques,
If your ambition goes beyond simple flora and fauna and you want to accurately reproduce buildings and characters, sketch lines are essential.
Drawing a Bean Flower Painting with simple flora and fauna, lines that lack depth or proportion are not really an issue.
The audience isn't likely to mistake bean flowers for cauliflowers.
But with architectural and character paintings, especially when incorporating oil painting techniques, if the proportions and structures are off, making it look almost real but not quite,
it might indeed cause the viewers to cringe or even give them goosebumps.
