A Dutch robotics company called MX3D and the software maker, Autodesk, released concept art images of their specially designed robot 3D printing a bridge in Amsterdam—and installing it at the same time. It will take the giant, robotic 3D printer two months to build the pedestrian bridge, which doesn’t use any independent support structures. The companies hope to display their ability to build complex structures that are just as strong as those constructed by traditional methods, and can be a cheaper, more efficient option for developers in the future …