There's an article on linux frontends in this month's (sept) issue of "Linux
Magazine" (no.23).

I've scanned the article - it's at:
www.tomandlu.co.uk/uploads/linux_mag.zip

6 images (gif) - zip file size is 2.39MB

--
#macro A(V,B,C,R)#while(B-256)#if(V-128/B>=0)sphere{0,.5translate<C-4R-1,9>
pigment{rgb<1-C/8R/2C/8>}}#local V=V-128/B;#end#local B=B*2;#local C=C+1;#
end#end A(234,1,0,2)A(85,1,0,1)A(81,1,0,0)light_source{-5 1}//Tom Melly

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