Hello Scene Viewer Team,
We're very excited for the new capability to upload 3D Models into the scene viewer. We have lots of OBJ files and are excited to test it out.
I watched your video tutorial in the the ArcGIS Online June 2023 Update announcement but it's uncear how you got to this setting/functionality:
https://www.esri.com/arcgis-blog/products/arcgis-online/3d-gis/whats-new-in-scene-viewer-june-2023/

It seems you need to have an editable scene layer to start(?)
When we try to create a scene layer from AGOL > Create Item> Scene layer it appears OBJ files aren't supported:

That being said, we're trying to understand how to get started/set up a layer like to to add our OBJ files too. (Apologies if this is an obvious answer, we're just dabbling into the world of 3D GIS now)
Thanks in advance!
Amanda Huber