3D printing accelerates design, customization, and experimentation in doll-making. Early stages often use additive manufacturing to create prototypes of new anatomies, joints, or accessory components before committing to traditional production. This approach enables rapid iteration—adjusting posture ranges, reimagining hinge placements, or testing different grip styles without expensive tooling. For final parts, durable materials like high-strength resins or specialized polymers can be chosen to balance realism with resilience. 3D printing also unlocks customization of non-body components, including internal supports, mounting brackets, and prop accessories tailored to a specific shoot concept. Post-processing steps such as sanding, priming, and painting let designers achieve smooth finishes and skin-like textures that blend with existing production. While 3D printing offers speed and flexibility, it also has limits in surface finish, long-term wear, and material stiffness. Complex, high-stress joints may still require traditional casting or machined components for reliability. As workflows mature, digital design files can be refined in computer-aided design software, shared among makers, and archived for future reuse. The result is a workflow that harmonizes creativity with practical manufacturing constraints, expanding what is possible in custom doll creation.