Attached Link: http://www.casp.net/survival.html

Welcome to the world of SLAPP: "Strategic Lawsuits Against Public Participation" [attached link] Long and short of it is it doesn't matter if a corporation demands are reasonable or not; they have deeper pockets, lawyers on retainer, persistence and patience. They can afford to keep individuals wrapped up in court for decades if need be. Personally, as long as you didn't break into Ferrari's factory, steal their CADD design, and convert it into a mesh, no one should have a legal reason to object. It should be similar to drawing the Mona Lisa. As long as you're not representing it to be the original Mona Lisa, then it should be nobody's business.