Ultra-detailed Thread Art Portrait Prompt

Ultra-detailed thread art portrait of [subject] front view, created entirely with thousands of perfectly straight black threads stretched between nails on a white wooden panel, string art technique, only black threads, no other colors, extremely dense thread placement around [key facial features], sparse threads in highlight areas on [highlight areas], dramatic contrast between dense shadow regions and open light areas, highly detailed realistic eyes with sharp [EXPRESSION-RELATED e.g. catchlights, reflections, menacing / curious / determined] catchlights, realistic proportions, [EXPRESSION / GAZE DESCRIPTION e.g. intense gaze looking straight forward, brooding intense gaze, bewildered yet amused intense gaze] looking straight forward, [ADDITIONAL DISTINCTIVE DETAILS e.g. subtle parted lips, furrowed brow wrinkles, scarred smile, helmet framing the face] made of overlapping threads, modern minimalist yet hyper-detailed string portrait, pure black thread on clean white background, macro close-up composition showing thread density and tension, photorealistic thread art, 4k