Lengthened square diamond
The square diamond lengthened is a geometrical Figure belonging to the solid of Johnson ( J 15).
As its name suggests it, it can be obtained by lengthening a Octaèdre by insertion of a prism Carré between its 2 halves congruent S.
The 92 solid of Johnson were named and described by Norman Johnson in 1966.
External bonds
- MathWorld.wolfram.com - Johnson Solid
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