This papercraft is a wearable Nargacuga Mask, the Monster Hunter video game series, the paper model is created by techdollogic. Nargacuga is the flagship monster of Monster Hunter Freedom Unite. It looks vaguely similar to the Tigrex, but fights in a significantly different way. Infamously known for its bladed wings and tail slams.
You can download this life size paper model here: Monster Hunter - Wearable Nargacuga Mask Free Papercraft Download