Finally, I got something figured out with Blender! After much looking around, got a clear answer from Blender Stack Exchange. How can I straighten ALL the vertical UV lines at once? Is there a hotkey short cut? Or if I have to do them one by one .. is there at shortcut for that? Thank you! Source: How do I straight UV map’s – Blender Stack Exchange The answer turned out to be both “There’s an app for that!” which didn’t work, and “do it the old school way, like a boss,” which did. The instructions are beautifully clear, concise,…