Four-Piece Dissection of Hill's Tetrahedron of Type 2 into a Triangular Prism
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This Demonstration gives a four-piece dissection of Hill's tetrahedron of type 2 into a triangular prism.
The dissection was discovered by P. Schöbi (1985). G. N. Frederickson, Dissections: Plane & Fancy, Cambridge University Press, 2002 p. 235.