3D Model 3D Model View  is to help you to get an overview of the 3D model that you are using for your AR campaign. From here, you can upload a new 3D model anytime which would get reflected to the campaign immediately.  There is no upper limit restriction to upload a 3D model of any size. But for webAR, the smaller the 3D model size, the better the campaign performance will become. 3D Model View for Surface AR It is recommended for Surface AR to upload a GLB model whenever you want to change. Click on  Enable Animation for iOS if you want to update an animated 3D model - upload both GLB ( Upload File button) and USDZ animated model ( Upload Animated 3D for iOS button) For static 3D models, you only need to upload a GLB 3D model. Marvin XR can auto convert the 3D model for iOS usage. Please follow the steps  here  for achieving that. Please note that for animated 3D models, the above steps will not work