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  "release": "Concept 27 R1 prototype review",
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      "volume_mm3": 160.30888767644743
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      "file": "Walkie_One_Concept_27_R1.glb",
      "sha256": "b9341c65d964b178bf91bbab5192c249fdc7db77ea511bd0e1ce7b9ea08036c6",
      "geometry_binary_sha256": "ed03a38ba632b84961deddac896b39e89ee67d01205a9700abd0ba1d23a6e46a",
      "binary_matches_independent_preview": true,
      "material_assignments": {
        "C27_01_Front_Shell_Chalk_Centered_Mic": "chalk",
        "C27_02_Back_Shell_Chalk_Unchanged": "chalk",
        "C27_03_Front_Action_Rigid_Carrier": "carrier",
        "C27_04_Status_Lens_Unchanged": "lens",
        "C27_05_Front_Switch_Clamp_Unchanged": "carrier",
        "C27_06_PTT_Rigid_Carrier": "carrier",
        "C27_07_Volume_Up_Rigid_Carrier": "carrier",
        "C27_08_Volume_Down_Rigid_Carrier": "carrier",
        "C27_09_Warm_Grey_Elastomer_Rim": "rim",
        "C27_10_Front_Action_Pewter_Cap": "pewter",
        "C27_11_Front_Action_Bond_Film": "bond",
        "C27_12_Volume_Up_Pewter_Cap": "pewter",
        "C27_13_Volume_Up_Bond_Film": "bond",
        "C27_14_Volume_Down_Pewter_Cap": "pewter",
        "C27_15_Volume_Down_Bond_Film": "bond",
        "C27_16_Orange_Ribbed_PTT_Grip": "orange",
        "C27_17_PTT_Bond_Film": "bond"
      },
      "world_extents_m": [
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        0.1527000069618225,
        0.02473933249711992
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    },
    {
      "file": "Walkie_One_Concept_27_R1_Exploded.glb",
      "sha256": "f2c70a420f3d527c8014ffbfddc957802eafe908c21739b8ba2fb6135d16f867",
      "geometry_binary_sha256": "49e57ec52c9b61068cc99d1b88670af41c59f17efd3f06be6a0b5e3ff6c90fdd",
      "binary_matches_independent_preview": true,
      "material_assignments": {
        "C27_01_Front_Shell_Chalk_Centered_Mic": "chalk",
        "C27_02_Back_Shell_Chalk_Unchanged": "chalk",
        "C27_03_Front_Action_Rigid_Carrier": "carrier",
        "C27_04_Status_Lens_Unchanged": "lens",
        "C27_05_Front_Switch_Clamp_Unchanged": "carrier",
        "C27_06_PTT_Rigid_Carrier": "carrier",
        "C27_07_Volume_Up_Rigid_Carrier": "carrier",
        "C27_08_Volume_Down_Rigid_Carrier": "carrier",
        "C27_09_Warm_Grey_Elastomer_Rim": "rim",
        "C27_10_Front_Action_Pewter_Cap": "pewter",
        "C27_11_Front_Action_Bond_Film": "bond",
        "C27_12_Volume_Up_Pewter_Cap": "pewter",
        "C27_13_Volume_Up_Bond_Film": "bond",
        "C27_14_Volume_Down_Pewter_Cap": "pewter",
        "C27_15_Volume_Down_Bond_Film": "bond",
        "C27_16_Orange_Ribbed_PTT_Grip": "orange",
        "C27_17_PTT_Bond_Film": "bond"
      },
      "world_extents_m": [
        0.14535000276565552,
        0.1527000069618225,
        0.11855000020563604
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  ],
  "runtime": {
    "build123d": "0.11.0",
    "cadquery-ocp-novtk": "7.9.3.1.1",
    "trimesh": "5.1.0"
  },
  "scope": "File integrity, reference preservation, STL topology and reproducible preview export. Mechanical limitations are listed in ASSEMBLY_AND_OPEN_ITEMS.md."
}