Diagrams Blintz Icosidodecahedron by Tung Ken Lam Cube From Thirds by Tung Ken Lam Puffy Ten-pointed Star by Tung Ken Lam Jitterbug by Tung Ken Lam Starfish by Tung Ken Lam WXYZ by Tung Ken Lam Swirl 10: Square From Rectangle by Tung Ken Lam Dividing a square into thirds: Here are eight methods for dividing a square into thirds without using a ruler. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)