When working with shop awnings and facades, I noticed that pieces from the same set do not integrate all that well. For instance, with the classic set, if I put a shop facade up I cannot add an awning without some awkward clipping. This just makes things not fit properly and therefore a bit harder to use (for the way I build). It would be nice if the pieces (specifically awning and facade) from each set fit together a bit better to make custom built structures look more realistic.