shrug Real World. Most rights holders in a similar position seem to prefer to ignore the legal ramifications of "fan art". If asked directly , there is little incentive to bend the rules, and most frequently are advised to decline. Besides, ya gonna write to General Dynamics before you sell a model of the Shuttle? Or Boeing for a 757? Or Colt for a pistol or rifle? Or any maufactured item? Quite seriously, where would you have the line drawn? hmmmm....perhaps we're on different pages, ...I'm talking meshes here. As a trademark, use of the Logo is a much more protected item and I agree would be clearly wrong to duplicate and sell items which displayed it.