Well, it's not the same as replicating matter and def not a person lol, that's why I mentioned genetic cloning seperately.
3d printers rely on scanning an object and then cutting it from supplied material. Like you could take a block of plastic and scan each part of a gun and make a working gun out of solid plastic.
This has been around for years, it's just next level now. Remember those wrestling action figures in the late 90's? They called it "Real Scan" technology. They'd do a 360 degree scan of The Rock and then scale it down and make an accurate sculpt in plastic of him. They did this with wheels and car parts as well, they could create a wheel design and a laser would etch the design on a blank rim.
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