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Geometry
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Demonstrations 141  160 of 3260
Grünbaum's Skeletal Polyhedra
Hyperboloid of One Sheet with Op Art Motifs
Designs from Mechanical Linkages
Tetrahedron Built from Rhombic Dodecahedra or Spheres
SixAstroid Designs
Cluster of 117 Polyhedra Around a Rhombic Triacontahedron
Cluster of 45 Polyhedra around a Rhombic Hexacontahedron
Compound of 30 Tetrahedra in a Rhombic Triacontahedron
Orthogonal Projection of a Solid of Constant Width
Two Proofs that the Volume of the Regular Octahedron Is Four Times the Volume of the Regular Tetrahedron
Rings around the Vertices of a Polyhedron
Rhombic Triacontahedron Measures
Rhombic Enneacontahedron with 30 Icosahedra
Stella Octangula
Compound of Two Icosahedra
Polyhedra Copied to the Vertices of the Same Kind of Polyhedron
Piling of Bars along Dodecahedron Axes
Octahedron Frame Made of Rhombic Dodecahedra
Rhombic Dodecahedron Made of Four Rhombohedra
The Path of a Ray on a Cube
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