Am 28.01.2011 19:05, schrieb Solar Mike:

> You are quite right about not all plywoods working this way and is indeed due to
> the fiber orientation.  I was hoping to find a more general solution as many of
> the pieces I have will have curves "cut" in them.  This problem shows itself on
> plain (but curved) pieces of wood I am trying to render as well and I have not
> figured out a good way of dealing with that.

I'd suggest some nested construct:

Use a high-frwequency gradient pattern to simulate the layering of the 
plywood, alternating between two differently oriented versions of the 
main texture, depending on Y coordinate (presuming your plywood board is 
in the XZ plane).

To simulate the orientation dependency of the texture within each 
plywood layer, use a radial sine_wave frequency 2 pattern to blend 
between two textures with different brightness and whatever other 
properties you may want to vary.

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