Positive+Negativesimple exercise that uses positive and negative shapes and lines. 1. Students start with a 6″ x 9″ sheet of white drawing paper, and a 4.5″ x 4.5″ sheet of black paper. 2. They place a 3.5″ x 3.5″ cardboard template on the black paper, centered on the top edge, and trace. The inside black square is cut and flipped up, and the two black pieces are glued to the white paper as shown.