Supply of a pellet 3D printer for printing of ceramic and metallic materials as part of the laboratory 5 lines of activity LA4 and LA5 of the PNRR project creation of ENEA laboratories constituting the technological hub for urban mining and eco-design of critical raw materials called mpc technological hub (mpc hub) financed by the european union - nextgenerationeu - mission 7 repowereu, investment 8 sustainable, circular and safe supply of critical raw materials component 1 - clp project code 7081DHMPC - CUP I83C24000790006