The manufacturing of sex dolls has undergone significant evolution, driven by advances in artistic techniques and materials. Early models were often simple molds with limited detail, focusing primarily on basic human shapes. Over time, artisans and manufacturers integrated more sophisticated sculpting methods, using advanced tools such as digital design software and 3D modeling to craft highly detailed anatomies. This technological integration allowed for precise control over proportions, facial expressions, and surface textures. Artistic techniques also evolved to include layered painting and airbrushing, which add depth and realism to skin tones, veins, and subtle imperfections, mimicking natural human features. Material science played a crucial role, with the development of silicone and TPE (thermoplastic elastomer) that closely resemble human skin in softness and elasticity. The craftsmanship process now involves a combination of traditional sculpting skills and modern manufacturing methods, such as mold casting and robotic assembly, to ensure consistency and quality. Moreover, artisans focus on minute details—such as hair implantation, realistic fingernails, and intricate facial features—to elevate realism. This evolution reflects a continuous pursuit of lifelike accuracy, blending art and science to produce dolls that are more expressive, customizable, and visually convincing than ever before.