Rabbit holes

Da Vinci
Divine proportion
Dodecahedron
Dymaxion
Euclid
Golden mean
Hexagon
Icosahedron
Icosidodecahedron
Making a lamp
Motivation
Octagon
Pentagon
Pacioli
Paper
Plato
Rhombicosido-
  decahedron
Rhombicub-
  octahedron
Symmetry
Truncation
Wood
Zometool
 

Pentafleur – 3D model

Modeled in SketchUp⩘ 
Rendered in Adobe Photoshop⩘ 
View full size⩘  · Download SketchUp model⩘ 

Story of the making of this lamp:
The Pentafleur shoji lamp project⩘