Abstract

Cutting away a rhombus from a regular pentagon, the leftover will be a semi-regular pentagon. Using this semi-regular pentagon as tile, we can build various ornaments, tilings, crystallographic patterns, and spirals. We will find also a semi-regular not convex dodecahedron. The regular and the semi-regular dodecahedron together can fill the space without gaps or overlapping

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• Paper pattern semi-regular dodecahedron 100% / Pattern 98%


• Paper pattern regular dodecahedron 100% / Pattern 98%

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