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  "note": "Public 28.1 uses frozen engineering R3.4, based on R3.3. Exact current CAD meshes: all 25 printed parts plus purchased films, seals, pads and the simplified woven-mesh reference. Electronics and screws are omitted from this finish viewer and remain in the full reference CAD. Play and volume buttons are one-piece printed polymer; the rigid talk carrier is separate from its flexible grip. Colours are screen studies, not matched physical samples. Uniform centering, display scale and normal shading only. Exploded offsets illustrate separation, not assembly order. Nominal switch, optical and RF fit still require physical testing."
}