do you know this site? one of my favorites

http://papertoys.com/

and dover books had some great book on paper.. including a take a part book that you can make into a paper clock--(it works!) you have to supple the weights for the drive, everything else is paper..

(in some future livetime, i will open a hobby shop called pen and paper, yarn and needles--for paper and needlework lovers every where.. there will be over lap--a bookbinding section with linen cords for tying together the folio's, and lovely linens for binding.. and perforated paper for embroidery.. and paper yarns for knitting.. (and silk for pen and ink drawings, -- one day..