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Reference photographs retain their own licenses.","assistance":"AI-assisted architectural interpretation and procedural recipe authoring; deterministic Python/Blender export. No photographic textures.","review":{"status":"approved","revision":"93035bd7a18da694020573d9d515b20fe9d3679ae1ab614996b25954051f722e","reviewer":"Benjamin TD","reviewedAt":"2026-09-30","checks":{"rights":"passed","footprint":"passed","appearance":"passed","mapIntegration":"passed"}},"modelingNotes":["OSM (way 16406633): the curved footprint, 59-level tag and 210 m height. No mapped building:part ways exist, so all articulation is inferred.","Researched (Wikipedia \"Tour Montparnasse\", Structurae): 209-210 m, 59 storeys (56 office storeys), dark smoked-glass curtain wall with vertical mullions and continuous ribbon glazing, plan of three joined arcs, technical floors and roof terrace at the top.","Model: walls are inset 0.5 m from the OSM outline so every mullion, plinth and cornice stays inside the mapped plan. 56 typical storeys of 3.59 m from a 5 m stone podium storey to 206 m; ribbon glazing per storey per wall (window material), mullions every ~1.6 m. The top two storeys (198.8-206 m) are a stepped-back louvred technical band with a cornice, roof deck, parapet, central plant core and three mast rods that end exactly at 210 m. Historic dark tint is not used (approved light palette).","Facade rhythm, technical-band height and podium treatment are visual inferences from the distant Commons references (00, 03, 05)."],"source":{"url":"/objects/e6f7e2d622cdc3e819ccc81c19460e1369499cbe227ddc72614fccc52f8fdc91/source.blend.gz","bytes":220565,"sha256":"e6f7e2d622cdc3e819ccc81c19460e1369499cbe227ddc72614fccc52f8fdc91"},"spatialSource":{"url":"/objects/9e703f2739a2d8190c0afe2d689c71b0127472d05936a344268346165164a8d6/spatial-source.json","bytes":4497,"sha256":"9e703f2739a2d8190c0afe2d689c71b0127472d05936a344268346165164a8d6"},"preview":{"url":"/objects/f43a690337c0050d04794804b034e26a1a5211ee20ee800b784a5ca81308274e/preview.webp","bytes":12936,"sha256":"f43a690337c0050d04794804b034e26a1a5211ee20ee800b784a5ca81308274e"},"revision":"93035bd7a18da694020573d9d515b20fe9d3679ae1ab614996b25954051f722e","publicationRevision":"abff0b074f4f823ead976e908f32a8c985b07f297ed9ea1350663a049d28108f","bounds":[2.3215795,48.841824,2.3223797,48.8424015],"approved":true,"materialLibrary":{"schemaVersion":1,"sha256":"7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd","url":"/materials/7afc40cf0b82b7c3c054f287817be2a37e52192aa734f187f8b20ee3277187dd.json"},"metadata":"/assets/tour-montparnasse/abff0b074f4f823ead976e908f32a8c985b07f297ed9ea1350663a049d28108f/asset.json","validation":"/assets/tour-montparnasse/abff0b074f4f823ead976e908f32a8c985b07f297ed9ea1350663a049d28108f/validation.json"}