Wood Tutorial for Photoshop CS
 
1.  Create a new file.
2.  Set Width to 1024.
3.  Set Height to 512.
4.  Select Filter>Render>Fibers


5.  Set Variance to 8 and Strength to 48 as shown above.
6.  Click on Randomize a few times until you get a pattern with good contrast
7.  Click OK
8.  Select Image>Adjustments>Brightness/Contrast
9.  Set the Contrast to +5
10.  Click OK
11.  Select Filter>Distort>Polar Coordinates
12.  Set it to Polar to Rectangular.

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