Abstract: A seating module, having a frame having four rectangular corners. Upper and lower attachment connectors are located at each corner and are connected by a pair of horizontal supports in a scissor configuration. Brace bars extend between the upper attachment connectors at adjacent corners and deck supports extend between diagonal corners. A deck pad is secured on top of the brace bars. In some embodiments, the frame includes one or more cross bars extending above the deck pad to provide armless, corner, or armchair seating units. A fully washable duvet cover is secured over the frame. A decorative cover is secured over the duvet cover and is topped with cushions or pillows as appropriate for the seating module.

Abstract: A modular sofa system, where each module includes a generally square frame and one or more arm or back elements; and where the feet of the arm or back elements are constructed to support the generally square frame. The separate modules can be joined together to form a sofa of the desired configuration.