Iron Man Helmet DIY 4.2: cardboard - filler, sanding, painting (with template) Get link Facebook Twitter Pinterest Email Other Apps New Mark 42: https://www.youtube.com/watch?v=4mv1Pid_spU Pros: less cutting, estimate size before cutting cardboard is easy. Cons: cardboard doesn't bend nicely, need to put extra time on rounded sections (face, top), sanding is painful... #鋼鐵人 #鋼鐵俠