You have to scroll down a bit to get the details, but this looks like a project worth doing! www.handmakery.com:
diy cardboard masks basic face - Google Search More
Old Man Mask | Flickr - Photo Sharing!
Boar Mask - cardboard sculpture by Jacqui Oakley More
Art by Jacqui Oakley
Creating masks using cardboard. Monkey mask, unpainted | Flickr: Intercambio de fotos
How to start a cardboard head piece by The Cardboard Collective
Card board masks by Kiel Johnson.
Making A Simple Mask #2 by Douglas R Witt, via Flickr