Hopefully Caleb will clarify what he means. I would work on the following assumptions. If someone selling a mesh wanted to put further restrictions, I wouldn't buy an item from them: 1.)I should be able to use the mesh in any renders I make, whether for commercial or private use and be free to alter the mesh in anyway I desire for use in my images. 2.)I should be able to make morphs for that mesh and even sell such morphs, as long as morphs have been properly modified to be usable only as morphs. 3.) I would NOT expect to be able to use that mesh as a basis for a modified mesh and sell it as a new item. Morphs are o.k., modifying a model and then selling it as a complete object is not. As far as use in video games, I would expect the above to be valid there is well. If someone used your mesh for still images or even pre-rendered cut scenes, that should be allowed. HOWEVER, importing your mesh or modifying it then importing it, as 3d geometry for use in a game should NOT be allowed. I wouldn't ever buy a model I couldn't use in renders with out restrictions. However, I would NEVER expect that by buying a model, I could then use it as the basis for a new model and sell it as such. It's hard to tell from the original post exactly what is meant. IF a game developer bought one of his meshes, then uses that mesh for game geometry, that's b.s. However, if the game developer just used the 3D model in pre-rendered art work or cutscenes, I don't understand how someone could be upset at that.