Hi, I have 3D scanned a front light from my racecar and want to turn it into an air duct to supply cold air into the engine bay. I have created a hole in the STL but I need it scultped smooth. Refer attached example of what I am trying to achieve and screenshot of the scan and link to the blender and STL files below if you want to take a look. The clips of the light cannot be distorted at all, the lense part is the only part that I need sculpted into a smooth opening. Similar to the products in the photos and the hole came be made as large as possible to shell out the object but wall thickness cannot be less than 5mm at any point because I need strength when 3D printed.