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| First Page | Document Content | |
|---|---|---|
 Date: 2011-09-28 16:02:35Tetrahedron Octahedron Icosahedron Origami Circle Golden ratio Hexagon Geometry Deltahedra Platonic solids |
| First Page | Document Content | |
|---|---|---|
Date: 2011-09-28 16:02:35Tetrahedron Octahedron Icosahedron Origami Circle Golden ratio Hexagon Geometry Deltahedra Platonic solids |
