At least, a page dedicated for DIY packs is available ! The cosplay app calculator helped you but patterns are still your black sheep ? DIY Packs contain paterned fabrics to help you sew without any problem.
Next Improvements for the app: Language support for Italian, Spanish, German & Swiss Size display, clothes options
Dia : I am a French cosplayer since 2009, making my costumes and accessories by myself. I also take commission and develop applications in my spare time