Create the body shape you find most attractive. Adjust proportions and compare how the same adult model changes.
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Body size is the master control. Waist, hips and bust remain inside a natural corridor. Leg length changes the leg-to-torso proportion, Leg thickness changes thighs and calves, Shoulder & arm width changes the upper-body span, and Muscle tone more clearly sculpts deltoids, upper arms and quadriceps. Abs definition is a separate geometric morph on the source model; in this version the abdominal relief is made much stronger while keeping the shifted-up placement.