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Make a new file that is square (this example uses
80*80 pixels). Fill it with any color. |
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Draw a bunch of lines in the square. |
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Select FILTER/OTHER/OFFSET and enter in 1/2 of
the width or length (40 for this example). And
then select WRAP AROUND. |
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Now
click on FILTER/NOISE/DUST & SCRATCHES.
Radius = 5 and Threshold = 0. |
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Now
click on FILTER/NOISE/ADD NOISE and type between
25-45. |
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Save the background and you're done. Look at the
results below. Note: If you still notice a seam,
repeat steps 3 & 5. This should get rid of
any excess seams. |