# Net (polyhedron)

## Edge-joined polygons which fold into a polyhedron / From Wikipedia, the free encyclopedia

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In geometry, a **net** of a polyhedron is an arrangement of non-overlapping edge-joined polygons in the plane which can be folded (along edges) to become the faces of the polyhedron. Polyhedral nets are a useful aid to the study of polyhedra and solid geometry in general, as they allow for physical models of polyhedra to be constructed from material such as thin cardboard.[1]

An early instance of polyhedral nets appears in the works of Albrecht Dürer, whose 1525 book *A Course in the Art of Measurement with Compass and Ruler* (*Unterweysung der Messung mit dem Zyrkel und Rychtscheyd *) included nets for the Platonic solids and several of the Archimedean solids.[2] These constructions were first called nets in 1543 by Augustin Hirschvogel.[3]