Add your Skysphere to any uploaded model
Adding a custom Skysphere to your uploaded model is very straightforward.
Once you have created your Skysphere, click on your Projects page. Place your mouse over the model card. Click the "edit" button in the lower left corner.
This edit menu can be used to modify your model details. Find the Skysphere dropdown, and select your Skysphere of choice. Click "Update". The next time you open your model, this Skysphere will be in the background.