Contains 17 transparent shapes: Octagon, Hexagon, Pentagon, Square, Equilateral Triangle, Rectangle, Circle, Ellipse, Parallelogram, Heptagon, Chevron, Kite, Rhombus, Scalene Triangle, Trapezium, Right Angled Triangle and Isosceles Triangle. The shapes have angled edges for 2 dimensional tracing or making networks to draw 3D models.