back wearable device 3d model

Create a realistic, high-detail 3D model of a wearable posture correction device designed ONLY as a flat back-mounted module (NOT a neck band, NOT wrap-around). IMPORTANT: The device must NOT curve around the neck or sides. It should look like a compact rectangular patch device that sits on the upper back between shoulder blades. 🔷 SHAPE: - Rectangular with rounded corners - Dimensions: 65mm height × 45mm width × 18mm thickness - ONLY slight curvature along vertical axis (to match upper back) - Side edges must be straight (no wrapping or band shape) 🔷 DESIGN STYLE: - Minimal, modern, medical wearable - Matte black outer body - Semi-transparent top cover showing internal electronics - Clean product design like commercial device 🔷 FRONT/TOP VIEW: - Flat rectangular face - No curvature across width - Slight convex curve only from top to bottom (very subtle) 🔷 SENSOR PLACEMENT: - MPU6050 placed at top center - Clearly visible through transparent cover - Mounted on small raised pla