Use 2K resolution textures for general surfaces. Reserve 4K textures exclusively for objects close to the camera foreground to prevent unnecessary VRAM consumption.
He downloaded a high-quality "Worn Concrete" pack from a trusted site. Lumion 8.5 Material Library Free Download
Ground materials can automatically sprout realistic 3D grass or ivy. Use 2K resolution textures for general surfaces
If you have access to SketchUp’s 3D Warehouse or Revit’s default libraries, you can export textures. While not a direct "Lumion download," these textures can be saved as .jpg or .png and imported. Lumion 8.5 Material Library Free Download
Improved transparency and reflection controls for realistic windows and facades. The Truth About "Free Download" Links