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    "place_pos": "{pose}",
    "graver_template": "{file}",
    "dimensions": "{X,Y,Z}",
    "skills": ["sid", "..."]
  },
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    "obj_id": 2,
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    "dimensions": "{X,Y,Z}",
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  },
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    "obj_id": 3,
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    "place_pos": "{pose}",
    "graver_template": "{file}",
    "dimensions": "{X,Y,Z}",
    "skills": ["sid", "..."]
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    "obj_id": 4,
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    "place_pos": "{pose}",
    "graver_template": "{file}",
    "dimensions": "{X,Y,Z}",
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]