The rapid evolution of 3D printing technologies has paved the way for innovative approaches in the fabrication of energetic materials, which are essential for applications such as propellants, explosives, and pyrotechnics. This chapter explores the significant advancements in the field, focusing on the use of paste inks and various 3D printing methods. Paste inks offer notable advantages over traditional liquid inks, particularly in mitigating crystal transformation and maintaining high viscosity, which are crucial for achieving high solid loading and energy density. The Direct Ink Writing (DIW) technique is highlighted for its ability to handle shear-thinning inks, allowing for precise deposition and intricate geometries essential for optimal material performance. The impact of particle size on ink viscosity and the resulting material properties is examined, emphasizing the need for an optimal balance to enhance printability and functionality. Additionally, the chapter reviews the potential and challenges of Fused Deposition Modeling (FDM) and Stereolithography (SLA), including Digital Light Processing (DLP), in printing energetic materials, addressing issues of accuracy and material stability. The discussion concludes with an overview of ongoing research and future directions aimed at overcoming current limitations and expanding the capabilities of 3D printing in the field of energetic materials. This comprehensive analysis provides insights into the current state of the art and identifies key areas for further innovation and development.