If you’re more inclined to create an original costume, you can find quality costumes for cosplay on Etsy. There are many creators who create handmade costumes, and you can even make a 3D printed costume if you’re crafty. The downside to this, however, is that you can’t enter contests if you buy the costume elsewhere. You must know how to sew in order to participate in any costume contest. I havenвЂ™t, Shugo Chara Amu Hinamori Amulet Heart Cosplay Costume,made in your own measurements, great for Shugo Chara cosplay..