Example image of eyePlorer eyePlorer map for 'Torus': Circle Coplanarity Surface of revolution Sphere Toroidal inductors and transformers Doughnut Lifebuoy O-ring Tire Vortex ring Homeomorphism Product topology Topology Clifford torus Cushion Latin Parametric equation Cartesian coordinate system Coordinate system Implicit function Quartic Pappus's centroid theorem Surface area Volume Surface Fiber bundle Foliation Hopf fibration Subspace topology Stereographic projection Quotient space Fundamental polygon Unit square Direct product Fundamental group Path (topology) Abelian group Homology (mathematics) Hurewicz theorem Isomorphism Ramification Conformal geometry Weierstrass point Cross-ratio Group action Lattice (group) Hypercube Compact space Manifold Lie group