![]() | The Octetra ® is a set of two three-dimensional puzzles based on a physical phenomenon of the dense spatial package of spheres. |
![]() | The Octetra ® consists of six parts of three different types. |
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![]() | Using some of the parts two different shapes may be assembled: |
![]() | a tetrahedron 4x4x4 using two parts1 and two parts2 |
![]() | an octahedron 3x3x3 using three parts1 and one part3. |
![]() | Before starting the assembly the suitable parts should be selected. |
![]() | Both of the Octetra ® puzzles assemble with mutual parts clutching to form the two firm shapes. |
![]() | Judging by the rectangular shape of most of the parts, the solutions are far from obvious. |
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