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News Link • Robots and Artificial Intelligence

SprayPrinter's latest graffiti robot hits new heights

•, Rich Haridy

While 2017 has been looking like the year that drone graffiti would finally take off (pardon the pun), SprayPrinter has been working on an entirely different method to get artistic visions onto walls in hard-to-reach places. The company's prototype device builds on its earlier design by combining five spray cans, each with SprayPrinter heads attached, to a little robot that climbs a wall and paints whatever giant image it is programmed to.

Unlike the regular SprayPrinter, this new prototype doesn't use camera feedback to keep track of its location. Instead, this larger device is tracked by a computer that can constantly ascertain its position by calculating its place on the cable it runs up and down. 

In this first full-scale demonstration the system also managed to create a full-color printed image on just one pass by modulating the duration of each color spray. Essentially it was color mixing between the five paints on the fly, but the color mixes were not actually on the surface of the wall. Small dots of different colors were actually printed side-by-side, so that when the eye views the mural from a distance those colors blend together.

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