For complete workflow compatibility, we recommend downloading the Original format.The viewer version is intended for web viewing only. In the original file, the following are fully preserved:✔ original scene hierarchy✔ all materials without simplification✔ correct PBR texture maps✔ original object namesIf you intend to use the asset in a production environment, select the source file.A detailed 4k textured model of a WW2 concrete bunker. With PBR textures. Fully unwrapped and low poly game ready