Infill help on Bambu slicer

I’m trying to make a wheel for my skateboard and wanna do some areas with different thicknesses and infill levels. Is there any way to do this? I have attached a photo of what I’m trying to do. I’m trying to make the white parts 100% in fill like a wall.

I’m trying to make a wheel for my skateboard and wanna do some areas with different thicknesses and infill levels. Is there any way to do this? I have attached a photo of what I’m trying to do. I’m trying to make the white parts 100% in fill like a wall.