¶ Tetrahedron
Index Entry
Tetrahedron: Inside-Outing of Tetrahedron:
“Only the tetrahedron is insideoutable.”
“The tetrahedron is the only structural system that can be turned inside out.”
“The octahedron is infoldable, or innestable-- hemi-hedrally.”
“The icosahedron dimples locally.”
¶ Citations
- RBF holographs and sketches on “Annihilation” Somerset Club, Boston, 22 April 1971
