Brave Costume Diy . 4.5 out of 5 stars. This way i was able to get the sewing and fitting right and transporing the pattern onto the right fabric with. Homemade Merida costume! merida brave homemade diy Merida costume from www.pinterest.com See more ideas about disney cosplay, merida cosplay, brave costume. It may seem unnecessary, but the petticoat peeking out from under the dress makes for an authentic. We actually already have our family costume planned for next year and i’m super pumped about it!