Careful, that's a Zygote model. Open up the raw file, go to File Properties:Contents and look at the User Name. Jared's been at Zygote a long time. Using this is not much different from using someone else's concept art. Unless you've paid for it of course.
Figured it was only going to be used as a reference (came from a 3DWorld mag from several years ago that's probably offered up for free somewhere anyhow). But either way looks like crazybutcher posted a better one, so I'll take back down the link now, grab his instead, I sure am
Yeah, I don't mean to be a hardass or anything. I think people should be aware of what they're using, but everyone makes their own decisions how far to go usage-wise.
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Edit: link deleted, grab CrazyButchers one below instead.
a qucik google search turned up this says "Usage Rights: Limited use with credits"