very nice !

I was trying to draw that with my pencil, but ... what  a mess.

Did you see 
arXiv:astro-ph/0602076 v1 3 Feb 2006
Microwave background in a dodecahedral geometry
Marc P. Bellon


I think that the answer to our question is lying  there !
I am studying it.
It is very nice in any case.

best regards

Marc
   

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Marc Lachièze-Rey                            marclr@cea.fr
Service d'Astrophysique, C. E. Saclay, 91191 Gif sur Yvette cedex        
Tél 33 (0) 1 69 08 62 92,                      Fax 33 (0) 1 69 08 92 66
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