This tutorial only provides an idea and is just for the purpose of attracting new ideas.
If you have a better method, please share it. Let’s take a look at the effect first.
Step 1: Use the spiral tool to draw a spiral
Step 2: Delete redundant nodes from the center according to the situation
Step 3: Make a copy and resize appropriately
Step 4: Adjust the position of the two spirals so that the centers are aligned
Step 5: Use the pen tool to connect the outer interfaces of the two spirals to form a closed spiral path, and then adjust the size, thickness and color as needed.