Is it possible to convert/use the toolbag skyboxes in Unity? I just want to be absolutely sure that the art is 1:1 or as close as possible to the intended look.
Most of the stock skies that ship with TB2 are open source/can be found on other sites.
The Panorama packs (such as: http://www.marmoset.co/panos) that we sell on our site come with TB2 presets and .HDR files that you can load in Unity 5, UE4, etc.
I don't recall where we found the rest, but there are plenty of IBL probes on the internet, so if you find your own, you can simply import it into TB2 and Unity 5, in TB2 its really easy, just load the image and it will auto-detect the panorama format.
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The Panorama packs (such as: http://www.marmoset.co/panos) that we sell on our site come with TB2 presets and .HDR files that you can load in Unity 5, UE4, etc.
I don't recall where we found the rest, but there are plenty of IBL probes on the internet, so if you find your own, you can simply import it into TB2 and Unity 5, in TB2 its really easy, just load the image and it will auto-detect the panorama format.