PS CS3 uses obj content to allow you to use the feature of texturing your objects live.
Saying that you must have PS CS3 Extended to be able to do this. If this is PS CS3 only then there is no facility to do live 3D Texturing in Photoshop.
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)