No textures are needed, no unwraping - there are only glass and metal. All matelials are divided by objects in separate layers - in case of changing materials in other applications. Optimal poly count for production render.Optimal V-Ray settings, otherwise the rendering time will increase significantly and a powerful computer will be required (you know how long it takes to render glass and metal).
MAX (Autodesk 3ds Max, filesize: 3.26 MB), FBX (Autodesk FBX, filesize: 2.41 MB)