UV -> Unwrap doing nothing?

I’m working on editing someone else’s model, and I’m unable to make “UV -> Unwrap” do anything. As shown in the screenshot, it’s a complicated model but I’m just trying to unwrap a few squares [as a test case]. When I click on “Unwrap,” the right hand pane doesn’t change.


I’m new to blender so I’m hoping this is some simple setting that I’m missing, or something. The UV Image header has “Update Automatically” turned on. I’ve tried inserting a simple cube as a new object and unwrapping one of its faces, but this also doesn’t do anything.

You won’t see anything when set to render Result. Press the X to delete it

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Aha!!! I knew it had to be simple.

Thanks a lot - you just saved me a few hours :slight_smile: