Robert Webb's Genus-87 Toroid
Posted on August 21, 2026
A combination of Robert Webb's Genus-41 Toroid and Bonnie Stewart's Genus-46 Holey Monster
Bonnie Stewart's Genus-41 and Genus-46 Toroids
Posted on August 20, 2026
Culminating in a toroid, described by Bonnie Stewart as "With pardonable pride we call it our Holey Monster".
Genus-5 Drilled Rhombicosidodecahedron
Posted on August 10, 2026
Connecting a rhombicosidodecahedron to an internal cube using X-polyhedra (related to bilunabirotundas).
Drilled Bilunabirotunda
Posted on August 9, 2026
One of the smallest yet brain teasing Stewart toroids.
Robert Webb's Genus-41 Toroids
Posted on May 26, 2026
Modifications by Robert Webb, the author of Stella, of the Cupola Drilled Truncated Icosahedron, increasing the genus of this Stewart Toroid.
Drilled Truncated Dodecahedron
Updated on February 18, 2026
Bonnie Stewart's "Jewel in the Crown" of toroidal discoveries, connecting a dodecahedron kernel to a truncated dodecahedron shell by J5's.
Cupola Drilled Truncated Icosahedron
Updated on May 13, 2026
A Stewart toroid, again connecting a rhombicosidodecahedron kernel to a rhombitruncated icosahedron shell, now by J5's.
Rotunda Drilled Truncated Icosahedron
Updated on March 21, 2026
A Stewart toroid, connecting a rhombicosidodecahedron kernel to a rhombitruncated icosahedron shell by J6's.