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The shape characteristics of the trombone:
The shape of the trombone is relatively simple. It gradually becomes thicker from the mouthpiece to the mouth part, especially The horn part is in the shape of a bell mouth. The external shape of the trombone mouthpiece is: a relatively flat cylinder near the outermost edge, and a semicircle below the cylinder. These two basic shapes make up the shape of the entire mouthpiece. The shape of the trombone tube is very simple, mainly round, and is bent and turned to form a complete shape. The external shape of the bell part of the trombone is like a bell mouth.
How to express the trombone:
There are many ways to express the trombone. Whether it is from sketch practice or color practice, it may appear in the picture as a still life, and Some creative works also contain the image of the trombone. Although there are many ways to express the trombone, this chapter only gives a brief introduction from the perspective of simple expression. The simple representation method of the trombone is divided into the following steps: The first step is the conventional composition and positioning. In this step, the painter must reasonably arrange the position of the trombone in the picture. The second step of the expression method is to draw the large scale. In this step, the painter should use a lighter pen (such as charcoal strips, etc.) and a lighter force to draw the large external shape and main structure of the trombone. The third step of the expression method is to express the trombone in a simple way. The specific drawing method is as follows: first draw the mouthpiece part of the trombone. The shape of this part must be basically accurate when drawing it. After completing the representation of the mouthpiece, proceed with a simple depiction of the horn tube, paying attention to the bending and coiling of the horn tube. After the first two parts (mouthpiece and horn tube) are drawn, it is necessary to draw the mouth part of the trombone. The external shape of the mouth part of the trombone is trumpet-shaped and gradually widens from bottom to top, but the morning horn An oval shape should be drawn at the top of the mouth, so that the trombone can have some three-dimensional visual effect. After the mouthpiece, horn tube, and mouthpiece are completed, a simple drawing of the trombone is shown.
