Calf and ankle definition contribute significantly to overall proportions and perceived realism. Achieving convincing lower-leg realism starts with a clear understanding of anatomy, proportions, and the way light interacts with the surface. The calves should transition smoothly from the knee to the ankle, with subtle contours that reflect muscle length and leg geometry. Overly rigid or flat surfaces can flatten the limb’s appearance, while too much bulge around the calf can look disproportionate. When modeling, aim for gentle, natural curvature that mirrors athletic yet not exaggerated leg lines. Ankles play a crucial role in the doll’s stance and balance. A well-defined ankle should show a narrow point where the leg meets the foot, with delicate tapering that enhances foot placement. Consider subtle tendons and the slight indentation at the ankle’s anterior aspect to create a believable anatomical landmark. Skin tone and texture continuity are essential; ensure there is no abrupt transition at the ankle, unless intentional shading or seamwork is part of a designed feature. Shadow and light can emphasize muscle groups and bones, adding depth without drawing attention to a single area. For customization, choose materials and finishes that mimic natural skin response to movement and gravity, reinforcing realism during posing and daily interaction.