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Some of the oddest items on display this week at International Consumer Electronics Show gadget show were edible, origami-like sculptures made of sugar, their shapes so convoluted as to baffle the eye. The treats are one of many signs that we'll all be getting a taste of 3-D printing soon -and the phenomenon won't be relegated to the realm of engineers and tech enthusiasts. The sugar sculptures are the output of the ChefJet Pro, the first commercial, kitchen-ready food printer.