Education and demonstration – Means for demonstrating apparatus – product – or surface... – Household equipment
Patent
1981-02-17
1983-04-19
Yu, Mickey
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Household equipment
434403, A63H 3300
Patent
active
043801331
ABSTRACT:
A flat pattern is disclosed for forming a three-dimensional structure known as the Great Dodecahedron. The pattern consists of twelve regular pentagons, laid out as for the pattern for a simple dodecahedron on paper or cardboard or similar material. Creases are formed lying along the major diagonals of the twelve pentagons, and the structure is assembled by joining the edges of the pattern with adhesive tape, or tabs, or tabs and slots.
REFERENCES:
patent: 1292188 (1919-01-01), Wheeler
Polyhedron Models, Magnus J. Wenninger, Cambridge University Press 1971.
Mathematical Models, Cundy and Rollet, Oxford at the Clarendon Press, Great Britain, 2nd Edition 1962, pp. 76-93.
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