{
  "verified_on": "2026-10-01",
  "environment": "Public production CADProps guest viewer, Chromium 154.0.8037.59 (Playwright revision 1243), 1440x1000; upload original public files; no account or shares",
  "claims": "Observed previews only; no complete assembly, B-Rep accuracy, universal compatibility or production manufacturing certification",
  "models": [
    {
      "guide": "open-catpart-without-catia",
      "input": "nist_ctc_01_asme1_rd_ct5290_ra.CATPart",
      "saved_by": "CATIA V5-6R2019",
      "source_url": "https://www.nist.gov/ctl/smart-connected-systems-division/smart-connected-manufacturing-systems-group/mbe-pmi-0",
      "input_sha256": "3f19cc5350b8ca45ade6035d16ab4e1362243ac7e614a1dd9d658efd85a19e00",
      "representation": "converted triangle mesh",
      "result": "rendered",
      "observed_properties": {
        "length_mm": 800.000037997961,
        "width_mm": 450.0000213738531,
        "height_mm": 150.0000071246177,
        "volume_mm3": 14579938.173624018,
        "area_mm2": 802402.6417520328
      },
      "warnings": "Mesh-derived dimensions, area and volume are approximate. B-Rep edge/diameter measurement and solid differences are unavailable.; Static geometry and base colors only; textures, animation, skinning and lights are not displayed.; Displayed from converted triangle geometry. Mesh measurements are approximate; B-Rep measurement and solid differences are unavailable.",
      "screenshot": "native-catpart.png",
      "csv": "native-catpart.csv",
      "distribution": "Source link only; original native model is not redistributed here"
    },
    {
      "guide": "open-ipt-without-inventor",
      "input": "INV_nist_ctc_01_asme1_2021.ipt",
      "saved_by": "Inventor 2021",
      "source_url": "https://www.nist.gov/ctl/smart-connected-systems-division/smart-connected-manufacturing-systems-group/mbe-pmi-0",
      "input_sha256": "c3716769b86d5fb7db9b65fa4c785c0f98db92258af0a801d544ab7d83251ec3",
      "representation": "converted triangle mesh",
      "result": "rendered",
      "observed_properties": {
        "length_mm": 800.000037997961,
        "width_mm": 450.0000213738531,
        "height_mm": 150.0000071246177,
        "volume_mm3": null,
        "area_mm2": 806723.9842991992
      },
      "warnings": "Mesh-derived dimensions, area and volume are approximate. B-Rep edge/diameter measurement and solid differences are unavailable.; Static geometry and base colors only; textures, animation, skinning and lights are not displayed.; Displayed from converted triangle geometry. Mesh measurements are approximate; B-Rep measurement and solid differences are unavailable.; Volume and mass unavailable: at least one mesh is not closed with consistent outward winding.",
      "screenshot": "native-ipt.png",
      "csv": "native-ipt.csv",
      "distribution": "Source link only; original native model is not redistributed here"
    },
    {
      "guide": "open-sldprt-without-solidworks",
      "input": "nist_ftc_11_asme1_rb_sw1802.SLDPRT",
      "saved_by": "SolidWorks MBD 2018",
      "source_url": "https://www.nist.gov/ctl/smart-connected-systems-division/smart-connected-manufacturing-systems-group/mbe-pmi-0",
      "input_sha256": "07f8b1f55d6adba7c76901bc1655f2d04e14509ffc2d82426c3ce28af67f7db5",
      "representation": "converted triangle mesh",
      "result": "rendered",
      "observed_properties": {
        "length_mm": 63.00000299233943,
        "width_mm": 63.00000299233943,
        "height_mm": 2.984553240437254,
        "volume_mm3": 5019.785422591498,
        "area_mm2": 5445.68223735575
      },
      "warnings": "Mesh-derived dimensions, area and volume are approximate. B-Rep edge/diameter measurement and solid differences are unavailable.; Static geometry and base colors only; textures, animation, skinning and lights are not displayed.; Displayed from converted triangle geometry. Mesh measurements are approximate; B-Rep measurement and solid differences are unavailable.",
      "screenshot": "native-sldprt.png",
      "csv": "native-sldprt.csv",
      "distribution": "Source link only; original native model is not redistributed here"
    },
    {
      "guide": "open-nx-prt-without-nx",
      "input": "nist_ftc_11_asme1_nx1980_rb.prt",
      "saved_by": "NX 1980",
      "source_url": "https://www.nist.gov/ctl/smart-connected-systems-division/smart-connected-manufacturing-systems-group/mbe-pmi-0",
      "input_sha256": "9a7345416745ef4f355b1ddc75183ef75a9a0763c94b7b770173c60c99a8df1e",
      "representation": "converted triangle mesh",
      "result": "rendered",
      "observed_properties": {
        "length_mm": 63.00000299233943,
        "width_mm": 63.00000299233943,
        "height_mm": 2.9786771758576194,
        "volume_mm3": null,
        "area_mm2": 5445.605553487909
      },
      "warnings": "Mesh-derived dimensions, area and volume are approximate. B-Rep edge/diameter measurement and solid differences are unavailable.; Static geometry and base colors only; textures, animation, skinning and lights are not displayed.; Displayed from converted triangle geometry. Mesh measurements are approximate; B-Rep measurement and solid differences are unavailable.; Volume and mass unavailable: at least one mesh is not closed with consistent outward winding.",
      "screenshot": "native-nx.png",
      "csv": "native-nx.csv",
      "distribution": "Source link only; original native model is not redistributed here"
    },
    {
      "guide": "open-x-t-file-online",
      "input": "public-cubes.x_t",
      "saved_by": "Onshape / Parasolid 34.1.198",
      "source_url": "https://gist.github.com/MattFerraro/57e5dc45fa10d71c28eb5078ad65626a",
      "input_sha256": "bb9c15ee54e6ee8e5cd2e9159c00b72d80fe8d0b4165384301354b3e00f4bd70",
      "representation": "converted triangle mesh",
      "result": "rendered",
      "observed_properties": {
        "length_mm": 20.000000949949026,
        "width_mm": 20.000000949949026,
        "height_mm": 20.000000949949026,
        "volume_mm3": 8000.001139938886,
        "area_mm2": 2400.0002279877717
      },
      "warnings": "Mesh-derived dimensions, area and volume are approximate. B-Rep edge/diameter measurement and solid differences are unavailable.; Static geometry and base colors only; textures, animation, skinning and lights are not displayed.; Displayed from converted triangle geometry. Mesh measurements are approximate; B-Rep measurement and solid differences are unavailable.",
      "screenshot": "native-x-t.png",
      "csv": "native-x-t.csv",
      "distribution": "Source link only; original native model is not redistributed here"
    },
    {
      "guide": "open-sldasm-without-solidworks",
      "input": "nist-mtc-solidworks.zip",
      "saved_by": "SolidWorks MTC assembly",
      "source_url": "https://www.nist.gov/ctl/smart-connected-systems-division/smart-connected-manufacturing-systems-group/mbe-pmi-0",
      "input_sha256": "d6c81bf4986c3eb76b02e454100019a25bb5efd2392c8c9fd84473ddabd72d8d",
      "representation": "converted triangle mesh",
      "result": "partial",
      "observed_properties": {
        "length_mm": 157.4,
        "width_mm": 106.6,
        "height_mm": 51.05,
        "volume_mm3": null,
        "area_mm2": null,
        "mass_g": null
      },
      "warnings": "Some geometry could not be displayed. Dimensions describe the visible loaded subset; volume, surface area and mass unavailable.",
      "screenshot": "native-sldasm-incomplete.png",
      "csv": null,
      "distribution": "Source link only; original native model is not redistributed here"
    }
  ]
}