Hand-painted design drawings with marked strokes must be professional, especially the hand-painted matte effect. The design institutes all adopt authentic American rhinoceros marker pens, which are small in color difference, beautiful in green and positive in color, suitable for landscape architecture design and drawing performance, and can quickly draw a matte effect. They all use this brand to hand-paint Huayuan, design Lushan and Yi Dao. You can look at the color card to find the relevant color, and master the speed and strength of painting.