For production-ready use, we recommend downloading the source format.The viewer version is intended exclusively for browser preview. In the source file, the following are fully preserved:✔ full scene structure✔ all materials without simplification✔ correct PBR texture maps✔ correct object namesIf you intend to use the asset in a production environment, choose the original version.The model is easy to use and is great for filling and complementing your scenes architectural concepts and renders prototyping storyboarding and sketching quick compositing and kitbashing.