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// Nouveau variant (Rounded tubes)
#define shrink s 0.996
set maxdepth 1000
set background #fff
10 * { x 0 color white ry 10 } 2 * { rz 180 } hbox
rule hbox { r}
rule r { forward }
rule r { turn }
rule r { turn2 }
rule r { turn4 }
rule r { turn3 }
rule r { turn5 }
rule r { turn6 }
rule forward md 90 > r {
dbox
{ rz 2 x 0.1 shrink } forward
}
rule turn md 90 > r {
dbox
{ rz 2 x 0.1 shrink } turn
}
rule turn2 md 90 > r {
dbox
{ rz -2 x 0.1 shrink } turn2
}
rule turn3 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn3
}
rule turn4 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn4
}
rule turn5 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn5
}
rule turn6 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn6
}
rule dbox {
{ s 0.2 1 1 } sphere
}
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