Markers are generally divided into oil and water. The former pigment can be diluted with toluene, which has strong permeability and is especially suitable for painting on tracing paper (sulfuric acid paper). The latter pigment is soluble in water and is usually used for painting on cardboard or coated paper. In the drawing of indoor perspective, oily marker is commonly used. Waterborne is characterized by bright colors and clear strokes; It has a light color effect when used with watercolor pens. The disadvantage is that overlapping strokes will cause messy pictures, and negative paper ... oily is characterized by soft colors, elegant and natural strokes and good effect. The disadvantage is that it is difficult to control and needs more painting. Although the color saturation of water-based markers is worse than that of oily markers, the superposition effect of different colors is very good. Repeatedly tiled on the ink line manuscript, the ink overflowed and mixed with the color of the water-based marker to form a beautiful medium gray. Thick shadows were pressed out with an oily marker. Therefore, the basic color of organic matter in water-based markers is enough. The rapid expression technology of marker pen is a clean, fast and effective expression means. Clean because it dries quickly and the color is pure and not greasy. Because it has many pen numbers, it is complete (emphasize that the marker is different because of the different brand pen numbers). You don't need frequent coloring when you use it, so it's quick. Whether the marker is used well or not depends largely on the skills of sketching. Markers or markers need to be used with great confidence. Only in this way can we have very good brushstrokes. Strength and chic are the charm of marker renderings. We can create various styles of indoor performance diagrams by using the various characteristics of the tag. If you use a marker to draw on sulfuric acid paper, you can blend the colors before drying to produce the effect of watercolor painting. You can also use the translucent effect of sulfuric acid paper to render the back of the paper with a marker. Usually, a marker is used to draw an indoor performance chart. First, outline the main scenes and scenery of the indoor performance map with a drawing pen (stylus), and then color it with a marker. The oily color layer and ink line do not cover each other, and the color blocks are in strong contrast, which has a strong sense of form. In order to draw color blocks evenly, it is necessary to transport pens quickly and evenly; To draw a clear border, you can use film and other things to cover it locally; To draw the vignetting effect of color gradient, you can use a colorless marker to vignetting; The color of marker pen can be used to make various special effects by eraser, blade scraping and other methods. Markers can also be used with other painting techniques. For example, use watercolor or gouache to make a large area of sky, ground and wall, and then use marker to depict details or embellish the scenery, so as to foster strengths and avoid weaknesses and complement each other.