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The Conway-Guy Polyhedron — image 1

The Conway-Guy Polyhedron

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A polyhedron that is stable on only one side.

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Model information

Category
Math
License
Creative Commons — Public Domain

From Wolfram Mathworld:  https://mathworld.wolfram.com/Conway-GuyPolyhedron.html

The Conway-Guy polyhedron is the name given by Domokos and Kovács (2023) to the 19-face 34-vertex polyhedral solid independently found by Guy (1968; Conway et al. 1969) and Knowlton (1969) which is stable on just its bottom face.

This solid remained the smallest known unistable polyhedron until the discovery of an 18-face 18-vertex polyhedral solid by Bezdek (2011).

The .stl file was created with the following Mathematica code:

PolyhedronData["ConwayGuyPolyhedron"] //Export["conway-guy-polyh.stl", #, "STL"] &

Print on one of the large unstable sides with supports. 

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