So, I've had this problem for a while now: My Inventor parts don't all work. Some have these Orange Holes inside, and others don't; The ones without the Orange Holes can't be constrained by the center, which is vital for our designs. I have a workaround, but it involves sketches in parts, and it takes forever, and the parts don't look right after. I've switched computers, parts libraries, and the one I'm currently using are the best I can find, but they are far from perfect.
My asked my coach, and he told me to post here because there is no way everyone CADs with these problems.
I have attached images of the problem
I would appreciate if anyone has a better library, or if they know a way to fix it.