Ooooooooooooh la la!!!!!!! As a paper artist, I just ADORE Robert Sabuda. I look at his pop ups and am totally astounded at how his paper sculptures can fold up with such ease. Here's another interview at "Meet Me At the Corner.org."
Here's the link: http://www.meetmeatthecorner.org/episodes/robert-sabuda-pop-up-bookshttp://www.meetmeatthecorner.org/episodes/robert-sabuda-pop-up-books