3D printing as the ultimate solution to produce spare parts on site, for example. Technically no problem. But the rights to the design usually do not lie with Defence. As winner of the Defence Innovation Competition 2021, Ivor Hagen of Senovi works on the platform DAP3D where the necessary agreements are made in advance. He also provides insight into the possibilities of 3D printing for Defence. After all, the days of 'games' and prototypes' have been over for a while....