2. Then select the rectangle and click Effect -3D- Protrusion and Bevel. Note that the red box here is the protruding thickness, that is, the width of the box.
3. Still in the 3D- convex state, find the item on the map and click Enter.
4. After entering, you can see two options: symbol and surface. This surface is the face where the symbol is to be inserted. The left and right arrows can switch different faces. The symbol comes with AI, or it can be defined by itself.
5. It looks like this after completion. It can be seen that the pasted pattern is visually consistent with the placement direction of the three-dimensional module and has a perspective effect.