Tor Olav Kristensen <tor### [at] hotmailcom> wrote:
>>dot-product of the two edges of a triangle gives a normal vector which
>  ^^^
> I guess you meant to write 'cross-product' here ;)

  Yes.

-- 
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  - Warp -

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