Creating articulated limbs for sex dolls is an intricate process that combines engineering precision with craftsmanship. The goal is to produce limbs that can move naturally and hold various poses while maintaining durability and aesthetic appeal. The process begins with designing internal support structures, often made from metal or high-strength plastics, which provide stability and range of motion. These internal frameworks are carefully crafted to allow flexion, extension, and rotation at key joints such as shoulders, elbows, hips, and knees. Skilled artisans then attach these frameworks to the external silicone or TPE shells, ensuring seamless integration. Articulated limbs are finished with detailed sculpting and texturing to replicate skin, muscles, and joints convincingly. The joints are usually embedded with flexible materials or mechanical components, like ball-and-socket or hinge joints, to enable realistic movement. Fine-tuning ensures that these limbs can be posed naturally without compromising structural integrity or aesthetic quality. This meticulous process results in limbs that offer lifelike articulation and durability, greatly enhancing the realism and versatility of sex dolls.