Welcome to the ART KOSEKOMA Website ------ Розгортка чотирисхилого купола (J4) Развертка четырёхскатного купола (J4) The Net of Square Cupola (J4) ------ А Johnson solid is a strictly convex polyhedron, each face of which is a regular polygon, but which is not uniform, i.e., not a Platonic solid, Archimedean solid, prism or antiprism. The 92 Johnson solids were named and described by Norman Johnson in 1966. Багатогранник Джонсона - опуклий правильногранний багатогранник, що відрізняєтьс
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