素描色彩（Sketch color）.docVIP

素描色彩（Sketch color） I. sketch 1. definition: sketch is to shape the shape, shape, texture, sense of light and sense of space in simple colors. Simply speaking, drawing is in monochrome. 2. sketching tools (1) paper: white cardboard, paper lead (common), drawing paper, colored paper (solid texture, not too thin, too smooth). (2) pen: pencil, charcoal, charcoal, charcoal, knife, razor blade. (3) rubber: white rubber, plastic rubber, plastic rubber. (4) auxiliary tools: cloth, tortillon. 3. sketch preparation (1) sharpen the pencil, the tip of the pen should be pointed and long (usually painted with a soft pencil of HB-6B) (2) plastic rubber modification error without leaving traces. White rubber can sometimes be used as a brush to show soft colors. A plastic eraser can form any shape to modify the picture. (3) can be evenly wiping cloth, color, proper use can enhance the sense of space and the performance of the texture image. 4., sketch learning steps (follow the principle of gradual progress, gradual progress) (1) starting from the research of the simplest plaster geometry. (2) then paint a complex, still colored life (3) study the preparation for the head painting (4) the plaster model and the gypsum section face are more complex, and the plaster head shape changes slightly and the difficulty is greater (5) finally, you can practice drawing human head and human body. Two. Plaster geometry sketch 1. preparation (1) layout objects: should be high and low, well proportioned, front and rear echo, density changes. (2) configure lights: the light source is usually located about 45 degrees above the object. 2. composition (1) definition: that is to say, before painting, we must seriously consider the arrangement of the picture. (2) the correct composition: in general circumstances, the length of the upper and lower is longer than the width of the left and right, and the composition is straight. On the other hand, take the horizontal composition. (3) the principle of perspe