Simple windows and door, sketchup model (skp 2019/ vray 4.00) exported to 3ds and stl.
materials (vrmat): Aluminum, Plastic Metalic, Window reflections.
SKP (Sketchup, filesize: 18.9 MB), 3DS (3D Studio, filesize: 3.68 MB), STL (Stereolithography, filesize: 2.7 MB)