Untitled,Undated (Circa 1970s) Burlap Collage 114 x 180 cm (44 3/4 x 70 3/4 in) In this burlap piece by Luz, irregular forms replace his typical geometry. A sense of space is underlined by the large dimensions of the piece, engulfing the viewer into the neutral planes of rough stitches piecing seemingly unlikely shapes together.