Punch card curtains

Jeffrey Garman made an ingenious set of window shades from old computer punch cards, a needle, and some thread. From his build notes on Flickr:

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We have where I work boxes upon boxes of these prehistoric paper punch-cards. I'm always looking for novel ideas to put them to good use again. Besides being good for blocking out the sun they also make good book marks and table leg stabilizer's… I think the cards I used were 'saved' Fortran programs.

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(via MAKE: Blog)