Easy and cheap boob base tutorial (Original idea from atelierspana on Twitter) 1.Materials: 1/2 poly foam 5mm craft foam spandex fabric and paper for boob pattern. This cost me less than $15 and I have enough to make two sets of two. You'll also need a hot glue gun heat gun a round surface and straight pins. This is only the base for a fake boob tutorial by the Japanese cosplayer this idea came from. You can paint the fabric skin tone for Ryuko's transformation outfit from Kill La Kill or ev...