This 'drawing' machine was inspired by the thermal printers that print out your grocery receipts

Bjørn Karmann, a multidisciplinary Interaction Designer at CIID in Copenhagen, has developed a drawing machine that burns images onto paper. The PyroGraph, created in collaboration with Nicolas Armand and Lars Kaltenbach, was inspired by traditional thermal printers (used in shops for receipts), and uses an image processing algorithm to analyze a picture and convert it into dots. The dots are burned onto a paper roll with a 450°C tip; the darkness of each dot is determined by the length of time the tip is held against the paper.

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