For many assets, visual consistency is only the baseline. The object also needs the right part semantics and functional constraints: doors should open, hinges should rotate, drawers should slide, wheels should spin.
作者挑战了当前3D生成领域只关注视觉逼真度的主流观点，提出功能性约束同样重要。这一观点暗示未来3DAI的发展方向将从单纯的视觉模拟转向功能模拟，需要理解物体的物理特性和交互逻辑。