Golden Rhomb

Golden Diamond

Space Enclosing

2002 Nested Arches

2002 Arches

Identical proportions

Geodesic Teepee

Geodesic Teepee

Icosahedral Design

1984 Mirror Box

1984 Mirror Box

Rhombic Dodecahedron

Idealized Beryl Crystal

Beryl Crystal

Emerald is beryl