A 'Japanese tip': the origami art left by diners Yuki Tatsumi was waiting tables at an izakaya pub in Japan's Kyoto when something on the table caught his eye -- a chopstick wrapper folded and fiddled into an abstract shape. It was the catalyst for a collection that now includes some 15,000 pieces of found "origami art" made by customers folding the paper sleeves that cover chopsticks at Japanese restaurants. IMAGES AND SOUNDBITES