In article <MPG### [at] NEWSPOVRAYORG>, Sander says...
> In article <3b463501@news.povray.org>, Warp says...
> >   The image is made entirely with (hand-coded) POV-Ray code and one render,
> > and no external files. All the objects in the image are real 3D primitives
> > and all textures are regular POV-Ray procedural textures (eg. no image maps
> > nor anything).
> > 
> You have used an orthogonal camera?
> 
If I draw a triangle called A aroud the "impossible triangle" and I 
rotate a copy of this triangle, called B, 120 degrees, B nearly 
perfectly overlaps A. This can only be so if you use an orthogonal 
camera, right?
-- 
Regards,  Sander

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