Serious Fun with Flexagons: A Compendium and Guide by L.P. Pook (English) Hardco
121,96 €
Polygon Rings. - Irregular Cycle Flexagons. - Degenerate Flexagons. - Irregular Ring Even Edge Flexagons. - Irregular Polygon Edge Flexagons. - Complex Flexagons. - Miscellaneous Flexagons. A flexagon is a motion structure that has the appearance of a ring of hinged polygons.
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