{
  "id": "robot_gripper_two_finger",
  "level": "hard",
  "family": "robotics",
  "prompt": "Design a simple two-finger robot gripper as editable CadQuery. Include a palm block, two parallel fingers, pivot bosses, linkage bars, fingertip pads, and mounting holes.",
  "image_prompt": "Realistic CAD render of a two-finger robot gripper with palm block, parallel fingers, pivot bosses, linkage bars, fingertip pads, and mounting holes, white background, no text.",
  "semantic_hints": [
    "robot_gripper",
    "palm_block",
    "two_finger",
    "pivot_boss",
    "linkage_bar",
    "fingertip_pad",
    "mounting_hole"
  ],
  "bbox_mm": [
    160,
    120,
    60
  ]
}