This lecture covers the state of the art in additive manufacturing, focusing on the case study of Selective Laser Sintering (SLS) and Selective Laser Melting (SLM). It discusses interface improvement for dissimilar materials, such as copper and nickel, and the use of various additive manufacturing technologies like Powder Bed Fusion and Direct Ink Writing. The presentation also delves into the challenges and advancements in composite production, core design comparison, and space qualification for spacecraft structural panels. The lecture concludes with a discussion on functionalization, multi-material manufacturing, and the industrial applications of additive manufacturing.