Simply use Midjourney stable diffusion controlnet to generate 9 small fans. It is possible to provide some design tips. If you want very fine pictures, you need to make further modifications.

Use Mr. Midjourney into a simple look
Little spell:

Then use sd's controlnet to generate a line draft, so that sd can identify the contour and depth to be generated, so that the generated graph will be more stable. The big model uses productdesign, not LORA.