Retrofitting existing applications with 3D robot vision is absolutely possible. Feasibility depends on factors such as the application's compatibility with 3D sensing technologies and the level of integration required. Evaluating the specific needs of your application and selecting an appropriate 3D vision system is a critical first step. In many cases, this may involve adding 3D sensors and adapting software to incorporate depth perception and object recognition capabilities. While challenges may arise, working with computer vision and robotics experts can facilitate a successful retrofit and enhance the capabilities of your existing application.