A code for structure synth to generate a mlticolored chain.

multicolorChain.es

r5

rule r5{
r4
{ x 15 z -5.75 y -5.75 hue 40 sat 40  rx 90 } r5
}

rule r4{
r1
{ z -11.5 }r1
{  x 15 }r2
{ rz 180 }r2
}

rule r1 maxdepth 150{
{ s 3 } sphere
{ x 0.1  }r1
}

rule r2{
180 * { x 0.1 ry 1 } r3
}

rule r3{
{ s 3 } sphere
}