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Picture:

Sketch is a visual art and plastic art that uses drawing tools to express it on two-dimensional materials. Its purpose is to express it on two-dimensional drawing paper. Create three-dimensional shapes. Tools used include pencil, graphite, crayons, ink, charcoal, chalk, eraser, etc., as well as electronic drawing. The most common carrier for sketching is paper, but other materials such as cardboard, plastic, leather, wood, canvas, etc. can be used.

In terms of expression skills, sketching is different from watercolor and oil painting. It focuses on line expression. The thickness of the line is used to describe the light and dark depth of the object, without worrying about the color of the details of the object. Value, the picture uses light and dark light and shadow to highlight the theme, but because it loses the consideration of chroma, the sketch can show the three-dimensional sense of the object in different subtle changes in light and dark.

Extended information:

Sketch subject matter:

1. Mainly portraits and landscapes

Sketch was originally used for painting, sculpture, etc. Art serves, and later developed into an independent art because of its smoothness, enrichment and beauty. The subject matter can be taken from anything and is not restricted. Generally, portraits and landscapes are the main subjects, while Western sketches are often figures and still lifes.

2. Daily life, abstract sketch, artistic architectural sketch

Sketches based on daily life appeared in the 19th century. Others include imaginative and abstract sketches, artistic architectural sketches, etc.

3. Cubism, Expressionism, and Surrealist Sketch

The sketches of the 20th century seem to reflect unrest, turmoil, and scientific progress. Some of them feature bold expressive lines. There were also painters who tried to incorporate life into geometric figures (Cubism). Various schools in the 20th century also included X-ray techniques, which see the outside and the inside at the same time.

Expressionist painters pursued "expressing the emotion of a scene rather than depicting the realistic appearance of things", while Surrealists focused on expressing subconscious psychology.

4. Practical and technical sketch

Practical sketch should clearly record an objective thing. Generally speaking, it does not emphasize aesthetics but highlights technical design. Practical sketches include illustrations and illustrations for scientific purposes. Many artists have done scientifically illustrated sketches. Sketch illustrations in literary works are generally pictorial descriptions for a certain paragraph of text, but because they express the artist's unique brushwork style, they still enjoy a high artistic reputation.

Baidu Encyclopedia-Sketch