You can interface the back and cut it out so you can fold over the edges you can then use wonder under or wonder web to iron it in place and then topstitch it on
Anime USA 2015...Halloween!
Yuri Kuma Arashi- Kureha Bear Form
Evangelion- Asuka Langley Soryu Yellow Sunddress
Magic Night Raye Earth- Ferio Yellow Shirt Version
Artist's Alley Hopeful....We'll See
Wondercon 2016...End of March
Marvel Comics- Scarlet Witch Original Design Version
Deadpool/X-men Comics- Siryn...not sure which version yet...
DC Comics- Raven Either Teen Titans or Original Comics version....