1. Start by planning ahead of time. Costume sewing is fun but also requires time and proper planning. If you are one among those cosplayers who like to DIY it, joker costume these tips will surely help you if you are new to stitching your own costume. Are you a newbie to cosplay but want to sew your own costume? You will need dark clothes to complete your 3D printed costume because each Death Trooper wears special armour with a dark, ominous gleam.