The group of the tetrahedron

A sphere with the track of the planes of symmetry of the regular tetrahedron on its surfac...

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The sphere of the group of...

A sphere with the tracks of the planes of symmetry of the regular octahedron on its surfac...

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A grid of spherical triangles

A subdivision of the sphere into 120 spherical triangles with angles 36°, 60°, 90°. From ...

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A grid of spherical triangles

A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°. From th...

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A sphere

A tiling of the sphere with 16 spherical triangles with angles 45° (= 180°/4), 90°, 90°. T...

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A sphere

A tiling of the sphere with 120 spherical triangles with angles 36°, 60°, 90°. The great c...

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A sphere

A tiling of the sphere with 24 spherical triangles with angles 60°, 60°, 90°. The great ci...

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A sphere

A tiling of the sphere with 48 spherical triangles with angles 45°, 60°, 90°. The great ci...

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Un edificio sferico

Al porto di Genova, meridiani e paralleli sulla sfera in vetro e acciaio situata in mare a...

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Geometry on the sphere

Angles on the sphere

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