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A 3x3x3 truncated on 3 edges and then extended. The shape has 6 triangles of two different kinds.
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 200001087) 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.
Edge length: 81 mm (short)
Edge length: 96 mm (middle)
Edge length: 135 mm (long)
Weight: 157 grams
The non-extended variant is shown in image 4.
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