Design a 3D model of a lone graffiti artist in a dim alley, wearing a paint-splattered hoodie, baggy jeans, and scuffed sneakers. A bandana covers their face, but their eyes show pain and determination. They hold a spray can mid-spray, creating a mural of a stitched heart. Fading words like 'hope' and 'freedom' drift in the mist. The alley walls tell silent stories of struggle, rebellion, and resilience