Abstract: A knockdown furniture assembly comprised of a plurality of vertical skeletal supports or standards which may be spaced variably within a room and clamped in position between the floor and ceiling thereof. The skeletal supports are provided with vertically arranged series of cylindrical openings for receiving dowels, pins and/or bolts which engage shelf supports for shelving, or which fasten different furniture units directly to the skeletal supports. The shelves and furniture units may be mounted at any desired levels and in any desired arrangements, including corner shelves in a corner of a room. The units may be installed without need of any special tools or experience.