Quote:
Originally Posted by ccorn
I get facecenter coordinates such as [s,s,s] and [s,s,s] with s = (1+r)/3. This can be scaled to [1,1,1] etc. Should be simple enough. Will follow up.

Here is it:
(+/r
^{1}, +/r, 0) (permute cyclicly), (+/1,+/1,+/1) dodecahedron
(I have used r = (1+sqrt(5))/2, hence 1/r = r1, but the above scheme can be used with r's conjugate as well.)