Furniture Design Toast Tool Free Assembly Sofa by Tian Chen&Hao Wu According to United Nations data, about 11.2 billion tons of solid waste are collected globally each year. Of this, furniture waste is large, difficult, and extremely costly to dispose of. Toast Sofa adopts a design strategy that extends the service life of the product by replacing the broken parts with smaller modular units. It is designed to allow the user to assemble and disassemble the sofa more easily. This also enables tool-free assembly and smaller package size, perfectly blends modularity, practicality, and eco-friendly concepts, and meets the diverse needs of modern people.