For production-ready use, we recommend downloading the Original format.The viewer version is intended for web viewing only. In the source file, the following are fully preserved:✔ native scene structure✔ all materials without simplification✔ correct PBR texture maps✔ correct object namesIf you are going to integrate the model into a project, choose the Original format.This model is created in blender 4.3 lower version may have problem with it