Fig. 100.120 Image of Icosa and Tetra: Photograph of a truncated glass tetrahedron with frosted triangular facets producing an image of clustered tetrahedra that approximate an icosahedron. (See discussion at Sec. 934)
Fig. 100.120 Image of Icosa and Tetra: Photograph of a truncated glass tetrahedron with frosted triangular facets producing an image of clustered tetrahedra that approximate an icosahedron. (See discussion at Sec. 934)