{
  "schema": "cad.cdsl.llm.v1",
  "schema_version": "1.0.0",
  "kind": "part",
  "part_id": "b006",
  "features": [
    {
      "id": "f01",
      "atomic_id": "extrude_add_blind",
      "depends_on": [],
      "name": "凸台-拉伸1",
      "params": {
        "distance_mm": 5.0
      },
      "sketch_id": "sketch_001"
    },
    {
      "id": "f02",
      "atomic_id": "extrude_cut_blind",
      "depends_on": ["f01"],
      "name": "切除-拉伸1",
      "params": {
        "distance_mm": 5.0,
        "reverse": true
      },
      "sketch_id": "sketch_002"
    }
  ],
  "geometry": {
    "sketches": [
      {
        "id": "sketch_001",
        "name": "草图1",
        "workplane": {
          "origin_mm": [0.0, 0.0, 0.0],
          "x_dir": [1.0, 0.0, 0.0],
          "y_dir": [0.0, 1.0, 0.0],
          "normal": [0.0, 0.0, 1.0]
        },
        "profile": {
          "type": "rectangle",
          "center": [0.0, 0.0],
          "width_mm": 100.0,
          "height_mm": 100.0
        }
      },
      {
        "id": "sketch_002",
        "name": "草图2",
        "workplane": {
          "origin_mm": [0.0, 0.0, 5.0],
          "x_dir": [1.0, 0.0, 0.0],
          "y_dir": [0.0, 1.0, 0.0],
          "normal": [0.0, 0.0, 1.0]
        },
        "profile": {
          "type": "circle_grid",
          "radius_mm": 6.1655,
          "count_x": 4,
          "count_y": 5,
          "spacing_x_mm": 23.0,
          "spacing_y_mm": 18.0,
          "origin_mm": [-33.7021, -35.5209]
        }
      }
    ]
  },
  "meta": {
    "source": "b006.solidworks_evidence_v2.json",
    "parameterized_sketches": 2,
    "profile_from_sketches": 0,
    "notes": [
      "Native part name suggests hole pattern (阵列孔)",
      "Cut feature 切除-拉伸1 referenced by sketch2 children but missing from evidence feature list; depth assumed through-all = plate thickness 5mm",
      "Sketch dims D1=4 D2=5 interpreted as pattern counts (count_x/count_y)",
      "No gold STEP provided"
    ]
  }
}