Hi Jan,
Thanks for your answer. I get your point. Although in your diagram view the interfaces are not placed along the border, they are not that far off... According to their function, I still believe that interfaces should be placed along the border, and it's quite annoying and time-consuming to place (position, rotate) them twice : in the diagram view and in the icon view. The best solution to satisfy both modelling approaches is to have an option to tick for synchronising or not diagrams and icon view.