John,
The tire tread is just a simple Diamond fill with a repeating transparency.
ron
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by John Clements:
Ron, as a kid one of the most facinating things to me was discovering the secret of the gas filler tube behind the driver's side rear tailight (or was the passenger's side).

Now that might be an interesting change for you. An oblique, close-up view of the tail swung up and open.

Just a thought :}

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HOW did you do the tire tread? Can you explain and/or provide a close-up? <HR></BLOCKQUOTE>