I've always made drawers where the drawer face glues and screws to the drawer box, and then acts as a stop as it comes in contact with the apron face. However, I'd like to try making some inset drawer faces that are flush with the apron when closed. The Amish guys in my area make these all the time, but I've never done it. Is there some piece of information or key design feature or dimension I need to be aware of? Any advice is greatly appreciated.