I think some states (Texas, for one) have laws that specifically protect gunmakers from lawsuits, but there aren't any I'm aware of that protect 3D modelers. On the other hand, I don't think you'd be legally liable if someone made illegal images with one of your models; I mean, give me Posette and the stock poser dog and in a few minutes I could make pictures that could get me thrown in jail in seven or eight states--yet no one's talking about getting rid of Posette, or the dog (and no one's talking about the need to protect dogs from the ravages of virtual doggy-porn), or any legal action against the folks at Curious Labs for providing the tools with which virtual doggy porn might be made. I don't think it's a legal issue for Thorne--he's just sick of being the subject of a small scale witch hunt, perpetrated by self-righteous, self-appointed Protectors of the Children, those singularly dirty-minded individuals who look at Thorne's work and see pornography (or the almost equally alarming potential for pornography), where the rest of us see innocence and joy.