Kinda along what Orkney said, I would make the mesh one sided and use the double sided settings in UE4. The automatically decimated geometry should be fine, hopefully you can get a flat, clean, single piece UV island without much work.
Kinda along what Orkney said, I would make the mesh one sided and use the double sided settings in UE4. The automatically decimated geometry should be fine, hopefully you can get a flat, clean, single piece UV island without much work.