Asura.Warpy, creator of Victory Square scale model has recreated Windust Walls. You may have seen it in the screenshots already, but he gave me permission to post it here. Check out some screenshots and a video below.
http://www.ffxiah.com/screenshots/56555
http://www.ffxiah.com/screenshots/56310
http://www.ffxiah.com/screenshots/57322
http://www.ffxiah.com/screenshots/56251
http://www.ffxiah.com/screenshots/57002
http://www.ffxiah.com/screenshots/57628