Another collection that features geometric and topological structures that don't neatly fit into existing categories on this site or are too few in number to warrant their own page.
structure: Pentacyclic Pentagram Knot
components: squares
structure: Kepler-Fathauer Topographical dodecahedron
components: cubes, pentagonal prisms
structure: Roelofs autolink
components: cubes, hexagonal prisms
structure: stellated octahedral foilhedron
components: triangles, squares, hexagons
structure: stellated dodecahedral foilhedron
components: triangles, squares, hexagons
structure: Stewart link polytoroid
componentsl octahedra, pentagonal antiprisms, icosidodecahedra
structure: Stewart radial polytoroid
components: cubes, pentagonal prisms, J63s, dodecahedra
structure: Kepler-Stewart knotted dodecahedron
components: cubes, pentagonal prisms
structure: Kepler-Escher icosihedral polylinknot
components: triangles, squares, pentagons
structure: Escher Truncated Icosidodecahedral polyknot (face truncated)
components: triangles
structure: Escher twisted dodecahedral polyknot
components: triangles
Escher inversted dodecahedral polyknot
components: triangles
structure: Rotegrity dodecahedron
components: triangles
structure: Escher inversted rhombicuboctahedral polyknot
components: triangles
structure: Polycubic polyknot
components: triangles
structure: Escher inversted truncated icosidodecahedral polyknot
components: triangles
structure: Kepler-Roelofs tetrahedral polylinknot
components: triangles, pentagons
structure: Kepler-Roelofs octaheral polylinknot
components: squares, hexagons
structure: Roelofs link
components: cubes, octagonal prisms
structure: Kepler knot
components: pentagons