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Early studies show that 3D printers may leave behind similar toolmarks on repeated prints.

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[-] Ulrich@feddit.org 31 points 1 month ago* (last edited 1 month ago)

In a lab, probably. In reality? No. Print nozzles wear over time and their patterns will change accordingly, and they are entirely replaced often.

Won't stop DAs from insisting on using it in court though.

this post was submitted on 19 Jul 2025
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