This open-frame cabinet (Floor-Open) will support your upper cabinet with a solid stand. Free up table space for your upper printer cabinet. Do it by adding this support to form a complete product unit with top- and bottom part. This frame comes in a durable anodize quality aluminum frame and wheels, all with brakes. Filament, shelves and storage rack is not part of this purchase. This product comes with four mounting stands to connect to upper cabinet. Browse through the extras for this unit including shelves and filament rack or simply let it stand open.