Additive Manufacturing (AM), commonly known as 3D printing, has heralded a transformative era in material engineering, particularly in the realm of composite materials. One of the most promising innovations within this domain is the additive manufacturing of short carbon fiber-reinforced composites. Traditionally, composites have been hailed for their exceptional strength-to-weight ratio and versatile applications in automobile, aerospace, and construction. By integrating short carbon fibers into the mix, these composites achieve a new level of mechanical prowess. Short carbon fibers, when infused into polymers like nylon, create a synergy where the resulting composite inherits the lightweight nature of polymers while harnessing the robust mechanical properties of carbon fibers. AM techniques, such as Fused Deposition Modeling (FDM), enable the precise layer-by-layer deposition of these composites, allowing for intricate and complex geometries that were once challenging to achieve. This precision opens the door to a myriad of applications across industries. This study investigates the influence of different infill patterns, namely grid, triangular, sinusoidal, honeycomb, and rectilinear, on the static and dynamic mechanical tensile properties of additively manufactured short carbon fiber-reinforced nylon composites produced through FDM technique. Tensile samples, along with Dynamic Mechanical Analysis (DMA) tensile specimens, are meticulously crafted to comprehensively analyze the impact of infill patterns on the material's behavior and to optimize the material usage by providing structural stability. This study bridges the gap between material science theories and practical engineering applications, offering valuable guidance for industries seeking the optimal balance between material efficiency and mechanical robustness in FDM-produced short carbon fiber-reinforced nylon composites.