Rhombic Dodecahedron | Common Cross Section of a Cube and its Dual | Stellation of Rhombic Dodecahedron Formed with Six Burrs | Turning Cube Inside Out I | Turning Cube Inside Out II |
Stellation of Rhombic Dodecahedron Formed with Six Burrs | Five Regular Tetrahedrons Cannot Form a Circle | Puzzle of 12 Prism |
12 Sticks in Tight Formation | 12 Pencils in Tight Formation | 30 Sticks in Tight Formation | 30 Pencils in Tight Formation |
Conic Section I | Conic Section II | 12 Sticks | 30 Sticks |
Kaleidocycle I | Kaleidocycle II | Kaleidocycle III | Kaleidocycle IV |
Expansion of Cube | Expansion of Cube I(Rhombic dodecahedron) | Expansion of Cube II(Rhombic dodecahedron) | Expansion of Dodecahedron | Turning Regular Dodecahedron into Rhombic Triacontahedron |
Expansion Between Octahedron and Rhombic Dodecahedron | Expansion Between Dodecahedron and Rhombic Triacontahedron | Expansion Between Icosahedron and Rhombic Triacontahedron |
Plane of z=2xy and Its Tangent Line |
Ring | Triangular Mobius and Its Tangent Line |