| | Seems like I wasn't alert during a copy'n'paste operation :-( The primitive substitution for "1-4con3.dat" and "1-4con4.dat" "cone { <0,0,0>, 4, <0,1,0>, 3 open clipped_by { box { <0,-1,0>,<2,2,2> } } }"}, "cone { <0,0,0>, 5, <0,1,0>, 4 open (...) (26 years ago, 1-Mar-99, to lugnet.cad)
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