For production-ready use, we recommend downloading the Original format.The viewer version is intended only for use in the web viewer. In the original file, the following are fully preserved:✔ native scene structure✔ unsimplified materials✔ correct PBR texture maps✔ proper object namingIf you intend to use the asset in a production environment, download the original version.this unique supermarket shelves are designed taking in consideration the requirments of a heavy duty manipulation. use it and give a follow inst . THANKS