RG Ross & Sons Steam Hammer
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Evidence & model coverage
70,069 web triangles; 1 supplied geometry groups before runtime flattening. Generic mesh chunks are not physical components.
Changes: Texture cap 512px (JPEG 85 for opaque images, PNG for transparency); duplicate/unused data removed; welded vertices; Draco encoding; supplied mesh-bearing nodes retained.
Credit: Scottish Maritime Museum. RG Ross & Sons Steam Hammer. https://sketchfab.com/3d-models/rg-ross-sons-steam-hammer-d80b52dc800e4c76b6b27749bbd8e782. CC0 1.0 Public Domain Dedication. Geometry and embedded supplied textures from the same downloaded package; no outside photographs imported.
Original model and provenance · CC0 1.0 Public Domain Dedication · Subject information · Download adapted GLB
Display size is normalized, not a measurement tool. Hidden interiors and unmodeled mechanisms are not inferred.
File audit and caveats
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"sourceDownloadURL": null,
"textures": [
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"mime": "image/jpeg",
"width": 512,
"height": 512,
"bytes": 59500
},
{
"name": "",
"mime": "image/jpeg",
"width": 512,
"height": 512,
"bytes": 48827
},
{
"name": "",
"mime": "image/jpeg",
"width": 512,
"height": 512,
"bytes": 41605
}
],
"estimatedTextureRGBABytes": 3145728,
"bytes": 6868076,
"sha256": "11642f3c404ef393232823c1216da8f241d0f0a40de01707b4b2f924b27c18b5",
"triangles": 70069,
"webBytes": 748012,
"webSha256": "f1ad807b742bb87e00d715a96a707956844941d556090f28c8ad697e171c015e",
"webMeshes": 1,
"sourceTriangles": 70069,
"sourceGroups": [
"Object_2"
],
"sourceLicense": "CC0-1.0 (http://creativecommons.org/publicdomain/zero/1.0/)"
}Static scan, not an animated or mechanically functional simulation. A future piston demonstration must be authored and labelled separately.