## Polyhedrons

Geodesic domes chapter from Buckminster Fuller FAQ http://www.cjfearnley.com/fuller-faq-4.html. This has general information, and some dimensional information.

Tom Gettys Polyhedra Hyperpages http://home.comcast.net/~tpgettys/ Simple explanations, great graphics to illustrate

Geodesics at Dave Anderson's web site. good math, nice practical info on models and construction. http://w3.one.net/~monkey/geodesics/

Truncated Icosahedron angles at Coolmath http://www.coolmath.com/poly_truncicosa.htm

Face to Face angles: http://www.theory.org/geotopo/tt/html/face-to-face.html

Some Calculations on Cut Polyhedrons (with some animated graphics showing transitions) http://www.biwako.ne.jp/~hidekazu/mypackages/cutpolyhedrone.htm

Dimensional data for polyhedrons: http://www.uwgb.edu/dutchs/symmetry/polydata.htm

Truncated Icosahedron
Edge: 0.4120 (inverse is 2.427)
Inner radius (to midpoint of edge) 0.9794
Central Angle: 23.28
Volume for edge length = 1: 57.56 (cf. sphere radius = 2.395)

Some code for OpenGL to make truncated icosahedrons http://www.jsoftware.com/studio/bball.htm

Hoberman structures: http://www.hoberman.com/

Spherical codes (packing on a spherical surface...) http://www.research.att.com/~njas/packings/

polyhedron.htm - 13 Dec 2001 - Jim Lux

revised 21 Sep 2004 - update link to Tom Gettys's web page.