Sketch should first consider the proportion relationship between still life and the composition relationship of the whole picture. Determine the appropriate composition form according to the composition law. This picture is horizontal composition. Then determine the position of the object and the large proportional relationship.

Step 2: Build a big relationship.

This step is to unify the relationship between dark surfaces and divide the light and dark areas of objects. Be bold when playing music, and pay attention to the type of object. Shape the object, find out the dividing line between light and dark, and emphasize the contour line of the object and the turning line of the main structure.

Step 3: Deepen the relationship

What needs to be noted in this step is that the relationship between light and shade must be clear, and the gray surface should not move in this step, only going deep into the dark surface and projection. Refine the structure of the object, explain the structure of the details clearly, lay the tone on the dark side and projection, and complete the work.

Step 4: Improve the relationship.

At the same time, we should constantly pay attention to the adjustment of the overall relationship, control the tone shaping of the gray surface, enrich the texture, open the primary and secondary, and further strengthen the in-depth description of the main features and details.

Step 5: Draw a sketch of still life works.

When depicting the specific details of an object in depth, don't cling to the specific details of the object, otherwise it will make the picture uncoordinated and affect the overall picture relationship. Depth characterization is also carried out together with the whole picture, from the main object to the secondary object, and slowly let the secondary object keep up with the overall picture effect.