WOLFRAM|DEMONSTRATIONS PROJECT

Octahedron to Small Rhombicuboctahedron

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move the triangles:
all triangles
triangle 1
triangle 2
triangle 3
triangle 4
triangle 5
triangle 6
triangle 7
triangle 8
opacity
Expansion radially displaces the edges and faces of a polyhedron, keeping their orientations and sizes constant, while the gaps are filled in with new faces.