Vitra Erwan and Ronan Bouroullec. 'Alcove' freestanding three-seater sofa.A sofa can go beyond being merely a piece of furniture and become a room of its own within a room this was the idea that prompted Ronan and Erwan Bouroullec to design the Alcove Sofa. With its unusually soft seat and backrest upholstery, as well as the high, flexible side and back panels, Alcove Sofa creates the frame for a comfy, safe and secure world, a place for relaxed withdrawal from the hustle and bustle of life: Two people can stretch out and