This is, of course, better :

> #while(iter)
>     #declare Old =
>         union{
>             object { Old }
>             object { Old translate <-2, 0, 2> }
>             object { Old translate <-2, 2, 0> }
>             object { Old translate < 0, 2, 2> }
>             translate <1,-1,-1>
>             scale 0.5
>         }
>     #declare iter=iter-1;
> #end

There is no need for "New at" all. "Old" is a bad choice for name now...

Severi

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