I've always thought there's an interesting thing about 2D drawings being 
used to show 3D objects. Well, more of a strange hypothesis probably. 
Consider the cave paintings of prehistoric people, for example. Often a very 
2D look to them. Always made me think about whether that was due to a lack 
of understanding 3D or if, instead, there might be some kind of crucial 
factor to converting from 3D to 2D. I know people think of 2D as simple, 
kids begin by drawing lines and flat colors, but think about the conversion 
involved to go from 3D objects to 2D surfaces as a way to represent things. 
Maybe a voluntary reduction in perception? Shapes reduced in dimension must 
be some kind of effort, right? I just think it could be possible that 3D 
representations might seem incoherent when thought of as a depiction of 
something, 2D displays more info in a certain way. Spear-holding person 
about to throw at mammoth in a direction away from or toward viewer equals 
no spear to see.

Although, I must admit, that mobious in 2D wasn't such a thing until I read 
or saw the next picture.

All that aside, great bit of POV-Ray at work there, Paul.

Bob

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