Mat structure and method of matting a picture

FRAME STRUCTURE AND METHOD FOR FRAMING A DRAWING A FRAME STRUCTURE AND A METHOD FOR FRAMING A DRAWING WHERE, IN A FIRST POSITION IN PRACTICE OF THE INVENTION, A FIRST FRAME (10) IS FORMED WITH A FIRST OPENING (12). A SECOND FRAME (22) IS FORMED WITH AN OPENING (18) LESS THAN THE FIRST OPENING OF THE FIRST FRAME. A THIRD FRAME (16) IS FORMED WITH AN OPENING (20) CORRESPONDING TO THE EXTERNAL DIMENSIONS OF THE SECOND FRAME (22) AND CORRESPONDING TO THE DIMENSIONS OF A DRAWING (26) TO FRAME. THE THIRD FRAME (16) IS ASSURED A REINFORCEMENT ELEMENT (24). THE DRAWING (26) IS PLACED SO THAT IT IS WITHIN THE OPENING (20) OF THE THIRD FRAME (16), SUCH THAT, WHEN THE SECOND FRAME (10) IS PLACED ON THE THIRD FRAME (16), THE DRAWING ( 26) IS SECURED IN ITS PLACE BY THE SECOND FRAME (22) OPPOSED TO THE REINFORCEMENT ELEMENT (24) THROUGH THE OPENING (20) OF THE THIRD FRAME (16). THE FIRST FRAME (10) IS THEN PLACED ON THE SECOND FRAME (22).