1. Foil is a method of coloring with the root of an oil brush. After pressing down the pen, pause for a moment and then lift the pen root slightly, like the reverse stroke of calligraphy, which is vigorous and strong. If the root of the brush completely touches the canvas and wanders over it, it is likely to damage the surface of the canvas and even scratch the canvas due to the metal at the root of the brush, so there should be an appropriate distance between the root of the brush and the canvas. In this way, the effect desired by the artist can be achieved by controlling the thickness of the color applied by the tip and base of the pen, the intensity of the pen, and the different strokes and traces produced by the direction of the pen on the picture. In the process of using this technique on the painting, you will see the changes from thick to thin, as well as the changes in the fusion of the paints, so you can try more and predict the changes so that you can achieve what you want. effect.
2. Kneading can be said to be one of the most basic techniques of oil painting. It refers to the method of mixing two or even several different colors on the picture directly with a pen. After the paint is mixed, it will produce a very natural color change, and this subtle color change will contain clear light and shade. Contrast, and can play a very good transition and connection role in the picture. There are two types of paintbrushes during the kneading process. One is a clean paintbrush that is used to knead the picture, and the other is a paintbrush that has been dipped in paint and is used to knead the picture. If the paint or the paintbrush is relatively dry, you can use the tip of the pen to lightly knead it. Dip in a little blending oil to lubricate the paint, so the effect will be better.
3. Pai. The technique of using a wider oil paint brush or a fan-shaped pen dipped in color and then tapping lightly on the painting is called pai. During the process of tapping, the paint can adhere back and forth between the brush and the canvas, which can produce a certain undulating texture in the painting, which is neither very obvious nor too simple, because the colors are constantly merging during the continuous tapping process. , and the fusion of pigments is carried out locally. This change can make the picture look richer in color and also have a sense of hierarchy. If there are too strong brush strokes or colors in the picture, you can use this technique to deal with them. This can make them less obvious and eye-catching, and the changes in color relationships will become more subtle.
4. Hook, as the name suggests, refers to the lines drawn with the tip of the pen. When drawing lines in oil paintings, you generally use a soft-pointed pen, so that the drawn lines will be thinner and the thickness of the lines will be easier to control. But some pictures do not require particularly thin lines, so you can use round-tipped, square pens or old flat pens as needed. The lines drawn by these pens are somewhat similar to the lines drawn by the center of the brush in calligraphy, which are thick and full.