Stereographic Projection of a Circle

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Stereographic Projection of a Circle

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coaxal circle on sphere

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coaxal circle on sphere

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Circles Tangent to Two Given Circles on a Sphere

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Any Two Circles on a Sphere are Perspective

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Square Cupola

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Triangular Cupola

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Triangular Cupola之展開圖

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Cube 5-Compound    Five Cubes in Dodecahedron

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正12面體裡放五個三角形

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20面體切12面體

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正12面體內接的Icosododecahedron

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由三個正10邊形製造依個正12面體

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由一正方形製造正12面體

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由一個正方體製造依個正8面體

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Deltoidal Icositetrahedron

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一個正方體裡面包依個正8面體

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Starting with

End up with

Octagon

Deltoidal Icositetrahedron

 

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Cube 3-Compound

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Cube 5-Compound Five Cubes in Dodecahedron

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三角形 正方形和正五邊形所構成之球

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由正方形和三角形所構成之球

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Cube 4-Compound

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正12面體裡面有Icosidodecahedron

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Cube 4-Compound

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Construction of a Pentagonal Cupola starting with a Dodecahedron

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Construction of a Triangular Cupola starting with a triangle

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Rhombic Triacontahedron

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Villarceaux Circle

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Icosahedron Plus Dodecahedron

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Construction of a Rhombic Dodecahedron from a Cube

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Hyperbolic Paraboloid

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Smallest Cube Containing a Regular Tetrahedron

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Triangular Cupola as Convex Hull of Tetrahedra

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Triangular Gyrobicupola as Convex Hull of Tetrahedra

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Square Gyrobicupola as Convex Hull of Six Squares

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Square Cupola from a Cube

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Truncated Octahedron from a Cube

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Pentagonal Cupola

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Starting with

End up with

Decagon

Pentagonal Cupola

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三個八邊形所合成之圖形

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四個八邊形所合成之圖形

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Steinmetz Solid

Villarceaux Circle

de Divina Proportione

Five Cubes in a Dodecahedron

Five Tetrahedra in a Dodecahedron

Dahedron plus Icosahedronodec

Rhombic Triacontahedron

Stella Octangula

Icosidodecahedron

1

2

3

4

Square Cupola

Cuboctahedron

5

6

Triangular Cupola

Triangular Cupola的展開

Any Two Circles on a Sphere are Perspective

Stereographic Projection of a Circle1

Stereographic Projection of a Circle2

Pentagonal Cupola

Smallest Cube Containing a Regular Tetrahedron

Construction of a Triangular Cupola starting with a triangle1

Construction of a Triangular Cupola starting with a triangle2

Triangular Gyrobicupola as Convex Hull of Tetrahedra

Truncated Octahedron from a Cube

Truncated Tetrahedron as Convex Hull

Construction of a Rhombic Triacontahedron from a Dodecahedron

Icosahedron Plus Dodecahedron

Construction of a Rhombic Icosahedron from a Dodecahedron

Villarceaux Circle

Hyperbolic Paraboloid

7

8

9

10

Deltoidal Icositetrahedron