Theoretical knowledge of sketching at level B 10, basic theoretical knowledge of drawing

(1) Line and line technique: The element of sketching is line, but line does not exist in essence, it only represents the boundary of objects, colors and planes, and is used as an illusion representation of objects. It is only in modern times that the line is considered to be a spontaneous element of form and independent of the object depicted.

2) Use lines to compose the image of an object: Sketching is to use lines to compose the image of an object, and depict it on a flat surface, that is, the form of lines arouses the viewer's association. For example, an angle formed by the intersection of two lines can be considered as the boundary of a plane;

In addition, a third line can be added to create a three-dimensional effect on the picture. Curved lines can symbolize the vault, and intersecting lines can express depth. From the change of lines, people can get an image that can be understood.

Therefore, through the means of lines, simple outlines can be developed into delicate sketches.

3) Use lines to distinguish three-dimensional and flat: In sketching, lines can be used to distinguish three-dimensional and flat, and as for color light and shade, it is to strengthen and distinguish the relationship between the whole and the parts. We can use the beginning, disappearance and interruption of the line to draw the boundary and form a plane, or we can make the color go up to the border.

The thickness of the lines can express the changes in the object, and even the light and shadow can be expressed by the changes in the brushstrokes of the lines.

If you draw more, you will have your own set of theories.

To put it simply: sketching is about developing modeling skills and observation skills.

If you want to sketch well, it's best to pay attention to the following:

Clause. First, the line. The lines should be crisp and neat, and pay attention to the effect of virtual and real, do not hesitate to hook too hard, try to use straight lines when playing shapes, mainly use the strength of the elbow, not only the strength of the wrist and fingers;

Clause. Second, the line. On the basis of the first point, it should also be noted that when arranging the wires, we should try to maintain the uniformity of the force, as well as the density and direction of the lines, and arrange the lines according to the structure of the object, and try to avoid crisscrossing the lines;

Clause. 3. Composition. To be moderate, at least two fingers should be left around the picture, not too full, not too small;

Clause. Fourth, the shape. Form is one of the most important parts of the sketch, pay attention to the proportions, structure and transition of the object;

Clause. 5. Space. The spatial relationship in the picture must be expressed, that is, the relationship between the virtual and real of the picture and the perspective of the object;

Clause. 6. Light and shade. Note that the light source should be unified, and the relationship between light and dark can be applied on the basis of the above five points.

I hope the above experience will be helpful to you.

Hello, any sketch is made up of a combination of countless lines.

And the first and most frequent type used by painters when drawing sketches is line. Lines are a key element in sketch modeling.

There are many words of line, such as straight line, curve, spiral, thick line, thin line, smooth line, rough line, deep line, shallow line, hard line, soft line, long line, **, intermittent line, dotted line or bead line, scattered line, horizontal line, vertical line and so on. When sketching, you can use different lines depending on the situation.

There are ten aspects to introduce the basics of sketching:

One. What is Sketching:

Two. Status of Sketch:

Three. Techniques and types of sketching:

Four. Sketch Tools:

Five. Sketch theme:

Six. The Evolution of Sketch Lines:

Seven. Sketches of the Orient:

Eight. The artist's attitude towards sketching:

Nine. Commonly used sketching terms:

Ten. Recognize light and shade in sketches.

Three tones and five faces, you will be able to draw sketches when you understand them. But this is the most basic, but the master will put all of that behind. Theory is useless, find a teacher to teach, this is the best way.

I think I should still read the book, although I have studied sketching, but I know very little theoretical knowledge, I don't know what you are going to use it for, is it a personal reading? Or do you want to teach?