Mdf 3d frames medium a fantastic way to display 3d artwork these durable mdf frames have a simple locking mechanism which allows you to access the inside of the frame by totally removing the backing box they can be easily decorated with paint 3d collage materials fabrics your own printed word the list is endless because of their generous depth the front piece contains a sheet of thin clear plastic to keep your artwork safe and dust free the back of the box has a mounting hook the me