This [card holder design](http://www.core77.com/blog/materials/business_card_holder_made_from_yellow_pages_11029.asp) re-uses last year’s YellowPages directory as its main material. The directory needs to be rolled up and inserted into a metal tube. The size and exact use of the object is up to the maker, from photos to notes, [business cards](http://metkere.com/en/2008/08/3d-business-cards.html) to envelopes.
metkere.com is an award-winning blog by Elia Kabanov about science, technology and culture.
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