roof skylight 3d model

create a roof skylight box with windows, flat rubber roof. It is sat on a plinth with flashing. This is for a construction project and is to supply to the client as an illustration and is intended to be a construction detail. The dims are 800mm long, 400mm wide. On the 800mm section this is a fixed panel window, as is one of the 400 wide sections. The other 400mm wide section an open window with vents. The construction is aluminium frame. Glass windows and a rubber roof. There's lead flashing at the bottom. The final product needs to be downloadable and editable in tinkercad.