Folding Diagrams for the Traditional Shuriken (Two-Piece Throwing Star -- All 22 Steps) A traditional model, as diagrammed by Jasper. The two-piece shuriken (throwing star) is a simple model that takes 2-5 minutes to make. Two 3" x 6" (8 cm x 16 cm) rectangles make a 3 1/2 " x 3 1/2 " (9 cm x 9 cm) flat model. The instructions are quite detailed. If they give you any difficulty, please let me know