First of all, you can find pictures and patterns of related agricultural and sideline products, as well as the LOGO of the industry for reference. Collect these elements, extract some outer contours of agricultural products map, or draw vectorization. After drawing the vector diagram of agricultural and sideline products, you can choose to integrate it into various geometric figures. It can be handled by methods such as protruding or parallel, drifting away, balancing, deviation and dislocation, and placement. You can look at the tutorials on the website, and some articles are still very useful.