Popsugar Family Diy DIY Big Hero 6 Halloween Costume DIY a Baymax Costume For Your Big Hero 6 Lover October 5, 2015 by Allison Waken View On One Page Photo 2 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Using a ruler and craft knife, trim to shape. Previous Next Start Slideshow DIYHalloweenHalloween Costumes