This study is devoted to enlarge the knowledge on the conformity and applicability of the components produced through the Additive Manufacturing technology created by the company HP Inc., the Multi Jet Fusion (MJF). This research was defined and developed with the collaboration of three entities: Valeo Santena, Polytechnic of Turin and Valeo Martos. Valeo, a multinational in the automotive field, has been using these types of processes for rapid prototyping, for about 30 years. In recent years, Valeo Santena has been looking to take this technology to the next level: series production. ??The purpose is to analyze the evolution of the chemical, thermal and mechanical properties of Polyamide 12 (PA12) components 3D printed with MJF 4200, in relation to their position in the printing area, orientation and aging.