2. Sketch the shape of the foundation content on paper with a pencil. It can be described with reference to photos or objects.
3. According to the outline, refine the details of the foundation, such as texture and shadow. You can draw with pencils of different thicknesses.
4. Erase unnecessary lines to make the shape of foundation content clearer.
5. Use appropriate pigments or colored pencils to fill the color of the foundation content. You can choose the right color according to the real thing or the photo.
6. Pay attention to the light and shadow effect of painting, and use different shades to express the three-dimensional effect of foundation objects.
7. Carefully observe the details of the foundation, such as reflection, luster, etc., and use painting skills to describe it.
8. Check whether the painting meets the expectations and make necessary corrections and retouching.