A simple articulation that allows a wide range of coupling and combination. A line of upholstered elements forming an invitingly comfortable whole made up of simple soft cushions, yet at the same time providing robust and scrupolously correct support. Components without arms, with one arm-rest (either left of right) and corner units. There is also a long seating unit to go with the other components and a chaise-longue to stand alone. The upholsterd sections are contained within a visible wooden shell-like framework that comes in dark stained oak or white lacquer.The armchair and sofas thus formed may be completed by little occasional pieces that go to make up the set. The system allows upholstered "island" be formed with handy table-top surface and container units that can run alonge three sides. Coverings are complitely removable. Internal frame is in steel and differentiated CFC-free plyurethane foam. The padding is in feather or polyester wadding. Adjustable feet (not visible).