I have to model scene with a lot of parallelepiped. Some of them can be boxes
and some not. Perhaps there is any person with done comparision about rendering:
mesh, prism, boxes, polygons, clipped planes (perhaps something other). The rule
is that objects are sometimes multicopied - I know that copied mesh saves memory
but what about rendering ? Is rendering of 12 triangles faster than rendering of
one box? Of course I can make test but under my WinNT I never sure if there
wasn't other process. I have not dedicated comp for POV. The short schema of my
scenefile is something like this :

#macro CreateParallelepiped(Args...)
  box{} or mesh{} or prism{} or polygon{} something else
#end

#macro ObjectOne()
  #local Object=CreateParallelepiped(...)
  union{
    object{Object transform{somewhere1}}
    object{Object transform{somewhere2}}
    object{Object transform{somewhere3}}
    object{Object transform{somewhere4}}
  }
#end

#macro ObjectTwo()
  #local Object=ObjectOne()
  union{
    object{Object transform{somewhereA}}
    object{Object transform{somewhereB}}
    object{Object transform{somewhereC}}
  }
#end

ObjectTwo()

ABX

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