Step reading tools/base paper, pen, scissors method/step 1 Prepare a pen, scissors and a square piece of red paper. Fold the red paper pair into a triangle. Fold the triangle from left to right to form a new triangle. Divide the triangle into three parts and fold them forward and backward respectively. Draw the pattern of butterfly with strokes, and shadow the part to be cut off. 6. Cut off the shadow with scissors. 7. Unfold it, and you can see that the paper-cutting of the butterfly has been completed.