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Demonstrations 1 - 20 of 673
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Powered Clique Polyhedra
Nets for a Two-Cube Calendar
A Theorem on the Dihedral Angles of a Tetrahedron
Kepler's Harmonices Mundi
Rotating Polyhedra in Space
Calendar on Two Cubes
Op Art on Golden Rhombic Solids (II)
Golden Rhombic Solids with Nets
Op Art on Golden Rhombic Solids
The Double Subdivision-Network Method
A Shapeshifting Flexible Frame
Perspective Projection of a Cube onto a Plane
Dissection of Gerwien's Triangle into a Saccheri Quadrilateral on the Sphere
Orthogonal Projections of the Edges of a Cube
Monge Point of a Tetrahedron
Three Planes in a Trihedron
Inscribed and Circumscribed Spheres of a Tetrahedron
Two Conditions for a Tetrahedron to Be Orthocentric
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