Next, let's talk about the operational definition of sketch: according to certain painting principles, using a single color painting tool to deliberately shape objects on the screen carrier. Sketch level is one of the important indicators to reflect the painter's spatial modeling ability.
The model of the pencil (the model is different in color)
I wonder if my friends have noticed that there are B, H and numbers on the pencil shaft. This is actually a sign of pencil lead's hardness. B (black), the bigger the number next to it, the thicker and softer the core is, and the deeper it is drawn. H (hard), the bigger the number next to it, the harder and thinner the core is, and the shallower it is drawn. Some imported pencils will be printed with F, and the hardness of the model is between H and HB. It is enough for beginners to choose 2h, hb, 2b, 4b, 6b and 8b.
The difference between charcoal pen and pencil
Charcoal pens are generally divided into soft charcoal, medium charcoal and hard charcoal. This depends on the hardness of charcoal. Unlike pencils, hard pencils don't draw black, while hard charcoal pens can draw very black. Hard carbon pens are less than soft carbon pens, and the lines drawn are straighter. Charcoal pen has the advantages of strong painting effect, no reflection and strong artistic appeal. The disadvantage is that charcoal has strong adhesion and is not easy to replace, so it is not recommended for beginners.
Pen holding posture and sitting posture
Sketch paper
gram weight
Sketch paper is usually marked with gram weight, which means that the greater the weight of a square meter of paper, the thicker the paper. Sketch paper is generally 160g or 180g, and sketch paper is 80g or 90g.
size
K (read open), indicating the size of the paper, 4K=2 8K size.
colour
The color of yellow paper is not greasy for a long time, and the contrast of white paper is stronger.
Art knife/pencil sharpener
In fact, sharpening pencils is also a great pleasure in painting. When preparing tools, you can also know the properties of each pencil. The appearance of pencil sharpener now greatly reduces the pleasure of sharpening pencils, but saves a lot of precious time, especially during exams.
(The length of the refill can be adjusted according to the usage habit)
Rubber/plastic rubber
Generally, two kinds of erasers are used in painting, the traditional glue stick and plastic, and the widely available glue stick and the details modified plastic are more suitable.
use
Brush with paper/rubber cotton
"Wipe" used in painting: Wipe can play the role of virtual tone to make the picture more natural, or rub lead into paper to facilitate the next modeling.
use
Correct painting posture
No matter what kind of position you draw, you should ensure that your line of sight is perpendicular to the picture and keep a certain distance, so that you can observe the picture and sketch the object as a whole and get a good shape.
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