http://rpg.drivethrustuff.com/product_info.php?products_id=83216&affiliate_id=294988
This is excellent stuff. A mate blogs on the subject here:
http://sirrob01.wordpress.com/2013/06/15/papercraft-build-inked-adventures-dungeon-cut-up-basic/
He's become something of an expert on all aspects of printable terrain, miniatures, etc., so do yourself a favour and have a look.