Crafting realistic nipples and genitalia is a delicate art that significantly enhances the authenticity of sex dolls. Artisans focus on replicating the fine details, such as texture, color, and proportionality, to mimic human anatomy convincingly. For nipples, techniques include sculpting tiny, textured protrusions with subtle color variations to imitate natural pigmentation and sensitivity. The surface may be textured or smooth, depending on the desired aesthetic and tactile experience. For genitalia, the process involves intricate sculpting to include folds, veins, and other anatomical details that reflect real human features. Coloring and pigmentation are carefully applied to add depth and realism, often using specialized dyes or paints that resist fading over time. The materials used, such as silicone or TPE, are selected for their ability to hold fine details and textures. Some artisans incorporate internal structures, like flexible inserts, to enhance realism during use. Achieving a natural look also involves understanding human anatomy and proportions, ensuring that each feature blends seamlessly with the overall body. Precision and attention to detail are paramount, as these features directly impact user satisfaction by providing a more lifelike, immersive experience. Overall, the craft of creating realistic nipples and genitalia combines artistry, anatomical knowledge, and advanced sculpting techniques to produce highly authentic features.