realistic portrait bust 3d model

A highly realistic 3D portrait bust of an East Asian adult woman, accurate facial likeness based strictly on the reference photo, preserve unique facial structure and proportions, natural face shape with slightly rounded contours, accurate eye spacing and eye shape, calm and intelligent expression, subtle, gentle smile without exaggeration, wearing thin metal-frame glasses that fit naturally on the face, glasses should not distort facial proportions, hair straight, medium length, naturally parted, resting close to the head, no stylized or idealized beauty adjustments, realistic facial anatomy with smooth but not plastic skin surface, no cartoon style, no anime, no beautification, neutral lighting similar to natural daylight, balanced soft shadows to enhance facial depth, designed as a realistic commemorative 3D portrait, focused on facial accuracy over artistic style, suitable for high-detail 3D printing, clean topology, watertight STL, portrait bust format, head and upper shoulders only.maximize facial id