> Several copies of the same greeble are translated to different
> locations, allowing the construction of repetitive patterns, so I can't
> pass down the information about the translations from the higher levels
> to the lower levels.

Well, each time you copy a CSG object POV-Ray makes a separate version of it
anyway, so you could pass the translation info down and do something like

intersection {
object {greeble[i] translate greebleoffset}
plane{clippingplane1}
plane{clippingplane2}
plane{clippingplane3}
}

 - Slime
 [ http://www.slimeland.com/ ]

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