Her role as Big M brought her into conflict with Iron Man. Whitney was forced to flee after a raid on his company, Stark Industries. Unlike the mainstream version, however, this version is Felicia Hardy. People have printed Iron Man helmets for years now and you can even purchase them in part or full on many sites such as eBay. If you’re into 3D printing, you can purchase the plans and have a local printer make them up for you. Thickness is important, it provides stability to the final product which can be brittle when it is printed too thin. The cuts will serve as a template to lay down the main color of the helmet in foam, leaving a slit in the middle and sides to allow the material to be shaped.