|About Juno's Spinner 2|
Home > Polyhedral toy > Juno's Spinner
|Motion of four-bar linkage mechanism|
|Cube type Juno's Spinner is composed of two kinds of element.
Square elements must be outer,shape of inner element must be like right figure to avoid a collision.
|6 outer elements
8 inner elements
|Four-bar linkage mechanism shrinks like this.|
|About tranformable polyhedron, Hugo F. Verheyen studied many years ago:
"AN ALTERNATIVE GENERATION AND TRANSFORMATION THEORY FOR UNIFORM POLYHEDRA(3d edition 1981)".
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