Hello guys! I'm new hero and I'm about to start my first project with Nazgul king helmet. I found the best template but it seems smaller than the real one. I'm struggling to find the real helmet dimensions and I would appreciate if anybody can help me with that, because that file need to be scale up. I found some online poster making size that spreads the image on 4 sheets instead of 1 but it's too big like that... So basically I need to know the real size on the helmet and some softer or site where I can transform the template in proper size for printing.
Template:
Template: