Inversive Geometry: Geometry, Plane (mathematics), Function (mathematics)

Lune (mathematics): Geometry, Moon, Plane Geometry

Pencil (mathematics): Geometry, Line (mathematics), Plane (mathematics)

Translation Plane: Mathematics, Projective Plane, Axiom, Geometry, Finite Geometry

Holyhedron: Mathematics, Dimensional, Geometry, Polyhedron, Plane (mathematics)