As seen in the video, Yuta has also developed an autonomous robot version of the handheld printer, a smaller pen-like contraption that allows someone to make freehand sketches on a carpet, and even a touchless version that uses puffs of air to create the intricate patterns. But the best use of this fun technology could be simply tricking your roommates into thinking you did your vacuuming chores with a bunch of random lines printed across the carpets in your apartment.

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