The main objective is to design a flexible and sustainable platform that automates high precision manufacturing operations in mid- and large sized parts or structures (typically from 10 meters long and above) and to develop a full scale demonstrator. The proposed system will consist in a conventional spherical robot mounted on a simple structure such as an overhead travelling crane, controlled by a friendly high-level control system with the suitable ICT support. This structure will be able to cover a very large working area, releasing the 100% of shop-floor, and will allow the robot or set of robots to have a huge workspace. It is planned for the working area to be split into discrete areas, by dividing it into sectors shaped as three-dimensional cubes. Using the latest technology in laser tracker a system will be developed to continuously monitor the position of the robot, and to adapt its behaviour to the on-going measurement, thus achieving the excellent accuracy expected (ie. a tolerance of ±0.4mm in a 100 meters long part). As result the new development will allow very precise manufacturing processes of mid- and large sized complex parts and structures, with tolerances very similar to the high-accuracy achieved for smaller parts standards, not yet reached for large parts in the current state of the art. Furthermore, European factories, including SMEs, will be able to have a very flexible multi-process manufacturing machine, with a very low investment, compared to big machines the accuracy of which is based on their mechanical design.