Dual Models by Magnus J. Wenninger

By Magnus J. Wenninger

In twin versions, written within the similar enthusiastic variety as its predecessors Polyhedron types and round types, Magnus J. Wenninger offers the entire set of uniform duals of uniform polyhedral, therefore rounding out an important physique of information with appreciate to polyhedral types. He starts off with the best convex solids yet then is going directly to express how all of the more challenging, non convex, uniform polyhedral duals might be derived from a geometrical theorem on duality that unifies and systematizes the complete set of such duals. a lot of those complicated shapes are released right here for the 1st time. types made through the writer are proven in photos, and those, in addition to line drawings, diagrams, and observation, invite readers to adopt the duty of creating the types, utilizing index playing cards or tag paper and glue as building fabrics. the maths is intentionally stored on the highschool or secondary point, and as a result the publication presumes at such a lot a few wisdom of geometry and usual trigonometry and using a systematic variety small digital calculator. The booklet might be helpful as enrichment fabric for the maths school room and will serve both good as a resource ebook of rules for artists and architects of ornamental units or just as a pastime publication in leisure mathematics.

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