2. Outline lines: use a pencil or drawing software to gently outline the basic shape and structure of the Gundam, which will serve as a guide line when subsequent coloring.
3, first of all, determine the main colors to be used, McDonald's Giant Gundam is red, yellow, white and black tones are dominant, use suitable materials such as colored pencils, oil paints, etc. or the corresponding tools in the drawing software to fill the appropriate areas inside the wheel line, according to the reference picture, using the correct color in the correct position.
4, detailing: After completing the basic color, you can add more details and shadows to further enrich the picture.
5. Refinement and retouching: Double-check the work to make sure the colors and details are accurate.