On Wed, 21 Nov 2001 06:22:19 +0000, Mike Williams <mik### [at] nospamplease> wrote:

Perhaps your missed discussions about old bugreports

http://news.povray.org/u12outsm2kso3k5ef4lp26ogm5cvsm46ge@4ax.com
http://news.povray.org/3BEBEB4C.CA854309@pacbell.net

ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35

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