the problem for me is not the visualization.. its the rules.. does the object have to fit through the thing "tightly" or can the hole be bigger than the object is my main question i guess...
say that we are still talking about my box.. and it had that whole top right corner missing, then from the right/left it has to be rectangle, and from back/front it has to be a rectangle, but from top/bottom it can either be a rectangle or with a rectangle that is missing hte top right corner.. am i making sense??