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Cross between Rubik's Cube and an Octagon. Can be made easily by exchanging pieces between a cube and an octagon.
- Inventor: Unknown
- Mechanism: 3x3x3
- Patents: Unknown
- Producer: Unknown
- Year: 1982
- Original Price: $0.00 USD
- Current Price: No Data
This puzzle is part of the series "Octgonal Edges". All modifications of this series are made by truncating an 3x3x3 on its edges. These truncations are symmetric as in the mass produced octagon from which the series takes its name.
The technical signature (Octagonal Edges Extended 8800044000) indicates where to cut the original cube.
Without the keyword "Extended" it is a variant made only by truncating the original cube. With the word "Extended" some sides left over from the original receive additional extensions to "delete" some of these remaining faces.
It is one of the earliest shape variants which dates back to the 1980s maybe because it can be implemented so easily.
David Singmaster mentioned it in Cubic Circular #1 from Autumn 1981 and again in Cubic Circular #3&4 from Spring 1982.
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