Software AI 1. Draw circles a and b with the diameter of c.2. The shape generator 3. Rotate and copy with b as the rotation center. Of course, the decorative circle A can also be copied with it. 4. In the mixed mode, the color can be divided into several parts. Finally, the upper corner can be rotated after completion, or it can be rotated above A and C with B as the rotation center at the beginning.

It is basically divided into four steps.

The first step is to tangent a circle to the basic shape.

Second, use the shape generator to select the required part (that is, the logo part).

Step 3, use the direct selection tool to select the logo part and copy it.

The fourth step, I believe you already know.