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== Examples == [[File:Triangular prism interior.svg|100px|thumb|A point on the [[interior]] of a [[triangular prism]]]] A [[triangular prism]] (pictured to the right) is a prism product of a [[dyad|line segment]] and a [[triangle]]. As such, one can think of a triangular prism as either line segments wrapped around a triangle, or two triangles at each end of a line segment. The [[interior]] of the triangular prism is created by the interiors of the line segment and triangle. For each point in the interior of the line segment, and each point in the interior of the triangle, there's a corresponding point inside the triangular prism at the height of the point in the line segment, over the corresponding point in the triangular base. A more complicated example is the [[square-hexagonal duoprism]] (pictured above). It's the 4D prism product of a [[square]] and a [[hexagon]]. As such, one can think of it as either six squares wrapped around in a hexagon, or four hexagons wrapped around in a square. The interior of the square-hexagonal duoprism is created by the interiors of the square and the hexagon. For each point in the interior of the square, and each point in the interior of the hexagon, there's a corresponding point inside the square-hexagonal duoprism whose projections into a square face or into a hexagonal face are the points we chose.
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