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The EBS-260 handheld inkjet printer already kind of does this: https://youtu.be/Va3A7QcBlLE

Built for industrial use, but don’t see why it couldn’t be used for basic tagging. I’m not affiliated in any way. Just stumbled upon it the other day and thought it was neat.




Neat, thanks for the link. IIRC the one in the show was used to paint an arbitrary large image, just "scrubbing" over any yet-unpainted sections, at any angle. Seems possible with real-world tech.




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