{
  "id": "robot_servo_bracket",
  "level": "medium",
  "family": "robotics",
  "prompt": "Design a compact robot servo mounting bracket. Include a U-shaped cradle, four servo screw holes, two side ears, a cable relief notch, and a stiffening rib.",
  "image_prompt": "Realistic CAD render of a compact metal robot servo bracket with U-shaped cradle, screw holes, side ears, cable relief notch, and stiffening rib, white background, no text.",
  "semantic_hints": [
    "servo_bracket",
    "u_cradle",
    "screw_hole",
    "side_ear",
    "cable_notch",
    "stiffening_rib"
  ],
  "bbox_mm": [
    80,
    60,
    55
  ]
}