{
  "id": "pipe_clamp_saddle",
  "level": "medium",
  "family": "mechanical_fixture",
  "prompt": "Design a pipe clamp saddle as editable CadQuery. Include a semicircular saddle, two side flanges, bolt holes, rounded ribs, and a visible pipe contact surface.",
  "image_prompt": "Realistic CAD render of a metal pipe clamp saddle with semicircular cradle, side flanges, bolt holes, rounded ribs, and pipe contact surface, white background, no text.",
  "semantic_hints": [
    "pipe_clamp",
    "saddle",
    "semicircular",
    "side_flange",
    "bolt_hole",
    "rib",
    "pipe_contact"
  ],
  "bbox_mm": [
    160,
    80,
    80
  ]
}