run 20260428T212504Z-3936

Summary

Prompt

Make a 50mm × 30mm × 10mm rectangular plate. Center it in X and Y, with the bottom face on the XY plane (z = 0 to z = 10). Drill four cylindrical through-holes of diameter 3mm, axes parallel to Z, positioned 5mm in from each corner of the top face.

Checks

params: {
  "type": "valid_solid"
}

details: {
  "error": "parse: Invalid JSON vcad file: invalid value: expected key to be a number in quotes at line 4 column 5",
  "reason": "fatal evaluation error"
}

params: {
  "type": "bbox",
  "min": [
    -25,
    -15,
    0
  ],
  "max": [
    25,
    15,
    10
  ],
  "tolerance_mm": 0.1
}

details: {
  "reason": "no valid solid to measure"
}

params: {
  "type": "mass_props",
  "volume_mm3": 14717.3,
  "tolerance_pct": 0.5
}

details: {
  "reason": "no valid solid to measure"
}

params: {
  "type": "hole_count",
  "diameter_mm": 3,
  "expected": 4,
  "diameter_tolerance_mm": 0.05
}

details: {
  "actual": 0,
  "diameter_mm": 3,
  "diameter_tolerance_mm": 0.05,
  "expected": 4,
  "found": []
}

params: {
  "type": "hole_positions",
  "diameter_mm": 3,
  "positions": [
    [
      20,
      10,
      0
    ],
    [
      -20,
      10,
      0
    ],
    [
      -20,
      -10,
      0
    ],
    [
      20,
      -10,
      0
    ]
  ],
  "tolerance_mm": 0.1
}

details: {
  "diameter_mm": 3,
  "per_expected": [
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        20,
        10
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -20,
        10
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        -20,
        -10
      ]
    },
    {
      "pass": false,
      "reason": "no candidate cylindrical feature of this diameter remained unmatched",
      "spec_xy": [
        20,
        -10
      ]
    }
  ],
  "tolerance_mm": 0.1,
  "unmatched_extras": []
}

params: {
  "type": "step_roundtrip",
  "tolerance_pct": 0.1
}

details: {
  "reason": "no valid solid to round-trip"
}

Tool calls

{
  "model": "gpt-4o-mini",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 302
}

What the model built

.vcad source

{
  "version": "0.1",
  "nodes": {
    "plate": {
      "id": "plate",
      "name": "Rectangular Plate",
      "op": {
        "type": "Cube",
        "size": {
          "x": 50,
          "y": 30,
          "z": 10
        }
      }
    },
    "hole1": {
      "id": "hole1",
      "name": "Hole 1",
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 10,
        "segments": 32
      }
    },
    "hole2": {
      "id": "hole2",
      "name": "Hole 2",
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 10,
        "segments": 32
      }
    },
    "hole3": {
      "id": "hole3",
      "name": "Hole 3",
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 10,
        "segments": 32
      }
    },
    "hole4": {
      "id": "hole4",
      "name": "Hole 4",
      "op": {
        "type": "Cylinder",
        "radius": 1.5,
        "height": 10,
        "segments": 32
      }
    },
    "holes": {
      "id": "holes",
      "name": "Holes",
      "op": {
        "type": "Union",
        "left": "hole1",
        "right": {
          "type": "Union",
          "left": "hole2",
          "right": {
            "type": "Union",
            "left": "hole3",
            "right": "hole4"
          }
        }
      }
    },
    "cut_plate": {
      "id": "cut_plate",
      "name": "Cut Plate",
      "op": {
        "type": "Difference",
        "left": "plate",
        "right": "holes"
      }
    },
    "translated_hole1": {
      "id": "translated_hole1",
      "name": "Translated Hole 1",
      "op": {
        "type": "Translate",
        "child": "hole1",
        "offset": {
          "x": -22,
          "y": -13,
          "z": 0
        }
      }
    },
    "translated_hole2": {
      "id": "translated_hole2",
      "name": "Translated Hole 2",
      "op": {
        "type": "Translate",
        "child": "hole2",
        "offset": {
          "x": 22,
          "y": -13,
          "z": 0
        }
      }
    },
    "translated_hole3": {
      "id": "translated_hole3",
      "name": "Translated Hole 3",
      "op": {
        "type": "Translate",
        "child": "hole3",
        "offset": {
          "x": -22,
          "y": 13,
          "z": 0
        }
      }
    },
    "translated_hole4": {
      "id": "translated_hole4",
      "name": "Translated Hole 4",
      "op": {
        "type": "Translate",
        "child": "hole4",
        "offset": {
          "x": 22,
          "y": 13,
          "z": 0
        }
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{
    "root": "cut_plate",
    "material": "default"
  }]
}

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