Re: Simulating physical models
i wouldn't personally advise it because you're dictated to by the physical sky properties, and how many photos of real physical/card models do you see with a vray style sky? none. they're usually placed on a table top. you want to get away from that typical computer render feel dont you.
it's good practice too - so many people only use the vray daylight system because all the hard work is done for you. this is very limiting. you must learn to use all lighting systems to gain a greater knowledge of rendering.
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