Cone, Sphere, Cylinder

Three Squares

Cube Octahedron Compound

Dodecahedron Icosahedron Compound

Great Dodecahedron

Stella Octangula

Eight Circles of the Same Size Each Tangent to the Other Three

Pentagonal Cupola

Pentagonal Rotunda

Pentagrammic Antiprism

Square Cupola

Pentagonal Gyrobicupola

Pentagonal Orthocupolarotunda

Augmented Dodecahedron

Augmented Pentagonal Prism

Biaugmented Pentagonal Prism

Metabiaugmented Dodecahedron

Five Tetrahedra in a Dodecahedron

Intersections of lines of the same color are symmetrical with respect to a midpoint on the sphere

isogonal lines concur on a sphere

Lines of the same color are symmetrical with respect to the ex-center on the sphere

Common Intersection of Polar Planes

Polar Plane of a Point with respect to a Tetrahedron

12 Circles Meeting at 12 Points

20 Tetrahedra