I'm a beginner using Inventor to try to make a wheel for a car, and I need a hole in the center of the wheel. I made a few extrusions (cylinders) in the middle of the wheel, and now I need them to be replaced with holes. The vertical grey circle in the middle of the wheel is supposed to be the base. I used the combine feature on Inventor 2020, however I'm getting an error message shown. Are there any other ways to replace a solid body with a hole? I don't like using the hole feature because it isn't precise, and I already have my set dimensions and measurements in the solid bodies that I created. Please respond ASAP, thanks!
