Couldn't find a correctly scaled design of this on A4 paper, so here it is :D

My printer doesn't like the color green for some reason today, so ignore the horrible color of it :/

https://minecraft.fandom.com/wiki/Helmet

"Helmets are a type of armor that covers the head of the player. There are seven types of helmets: leather cap, chainmail helmet, iron helmet, diamond helmet, gold helmet, netherite helmet, and turtle shell."