Ultra-detailed full-body 3D model of Leonardo da Vinci, idealized historical representation for educational purposes. Elderly Italian male, 65-70 years old, long wavy gray hair and flowing beard, expressive face with deep-set eyes and thoughtful expression. Wears a period-accurate 15th-century Renaissance robe in muted tones, with fabric folds and stitching meticulously sculpted. Standing in a cinematic pose with one hand holding a notebook and the other slightly raised in gesture. Skin features realistic pores, wrinkles, and age spots. 8K PBR textures for skin, fabric, and hair. Clean UVs, watertight mesh, render-ready and game-ready. Studio lighting with subtle rim light to enhance form and silhouette. Ideal for museum, AR/VR, or educational applications.