"Warp" <war### [at] tagpovrayorg> wrote in message
news:3c4208aa@news.povray.org...

>   Remember, clipped_by works like intersection, not like difference.

      Thanks Warp, I'm just practising with this at the moment. I want to
put a hole in a door and add one of those 'spy-holes'. The lens may be
difficult though.

    ~Steve~


>
> --
> #macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb
x]
> [1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
> -1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// -
Warp -

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