Rotational Symmetry of Cube and Tetrahedron

[b][color=#ff0000]Rotational Symmetry of CubeĀ [/color][/b][br][url=http://youtu.be/gBg4-lJ19Gg]http://youtu.be/gBg4-lJ19Gg[/url][br][br][color=#ff0000][b]Rotational Symmetry of Tetrahedron[/b][/color][br][url=http://youtu.be/qAR8BFMS3Bc]http://youtu.be/qAR8BFMS3Bc[/url]

Information: Rotational Symmetry of Cube and Tetrahedron