Foam Theory: This might come in handy one day.
[Infographic] Adding Details & Finishing Touches to Cosplay Costumes -Armor and props tips & tricks for shaping and adding designs - The Nifty Nerd
how to make foam demon armour | You can make foam armour out of old foamy placemats. | Costume
How to make feathers with craft foam.
EVA Foam Bracers Tutorial by MohriganCosplay on DeviantArt
Foam and Worbla armour MEGA TUTORIAL by AmenoKitarou.deviantart.com on @deviantART
Artax leather pauldrons
Pyrrha leg armor and gauntlet before forming. It's 4mm craft foam.
Foam Bracers tutorial for LARP or Cosplay