Batgirl Cowl tabbed version

[Fk23]

Hi. Am looking for a tabbed version of this Batgirl Cowl. I think this is a foam build and I have no clue how to foam!

Anyone know the original designer?

https://www.dropbox.com/s/of6qwjyy52hbi06/Batgirl Cowl.pdo?dl=0