I also know someone who made one completely without boning and just used a stiff interfacing, Personally I would have also used featherlite boning, but if you're in a stitch and have a bumload of superstiff interfacing on hand, you could also use that instead of traditional boning.
Anime USA 2015...Halloween!
Steven Universe- Rose Quartz Gown version
Evangelion- Asuka Langley Soryu Yellow Sunddress
Magic Night Raye Earth- Ferio Yellow Shirt Version
Yuri Kuma Arashi- Kureha Bear Form
Yuri Kuma Arashi- Kureha OR Lulu School Outfit
Artist's Alley Hopeful....We'll See
Awesome Con 2016
Deadpool/X-men Comics- Siryn...not sure which version yet...
DC Comics- Raven Either Teen Titans or Original Comics version....