So you want to cosplay as Haruhi Suzumiya , fear no more, here is a Melancholy Of Haruhi Suzumiya mask, I recommend to use 255 grams paper or more, white glue is good, when you print use the high quality printing options.
Step 1: Download
Download the templates and print them, in 255 grams paper
Step 2: Fold
Cut in the black lines, line space line are mountain folds, and line space point space line are valley folds
Step 3: Hair
the piece of hair below, is called ahoge, check the picture to see where to glue