A room divider can create privacy in a small space, or define new areas in a large, open space. The beauty of the room divider, as opposed to a wall, is its impermanence. Installing room dividers maintains the flexibility to change a space’s utility with relative ease. They can be moveable— sliding away or hanging down to suit the needs of the moment. They can be opaque— allowing light to permeate and air to circulate. A bookcase or curtains make some of the fastest room dividers, but you can D...