For full functionality, we recommend downloading the Original format.The viewer version is intended only for use in the web viewer. In the Original format, the following are fully preserved:✔ original scene hierarchy✔ unsimplified materials✔ proper texture maps✔ correct object namesIf you intend to use the asset in a production environment, download the Original format.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.