File created in 3ds max 2021 OBJ_MTL export format OBJ - only mesh file Render: corona Polygons: 169574 Vertices: 170720 Textures – yes Materials – yes UV Mapped – yes Unwrapped UVs – yes Closed windows measure: X-1710mm Y-513mm Z-3105mm Open windows measure: X-2910mm Y-632mm Z-3105mm Archive includes 2 models, open and closed version.