>>3724176If anyone could "prove it", many would be in jail anon, there are shithole countries that penalize just that.
Doesn't mean you have to be stupid enough not to understand that anatomy requires and/or required models at some point (specially with complex angles); doesn't have to be inappropriate, nor immoral, not even with kids, but "3D people"? Yes.
Some skilled artists may be able to draw from their imagination, but this is the Internet anon, everything is done behind a screen.