cm0002@lemmy.world to Privacy@lemmy.dbzer0.com · 2 months agoResearchers discover that every 3D printer leaves a unique "fingerprint" on prints, and they can be tracked back pretty accuratelywww.xda-developers.comexternal-linkmessage-square13fedilinkarrow-up160arrow-down11
arrow-up159arrow-down1external-linkResearchers discover that every 3D printer leaves a unique "fingerprint" on prints, and they can be tracked back pretty accuratelywww.xda-developers.comcm0002@lemmy.world to Privacy@lemmy.dbzer0.com · 2 months agomessage-square13fedilink
minus-squareSkyrmir@lemmy.worldlinkfedilinkEnglisharrow-up10·2 months agoThey’re looking at a square millimeter of print, which means they’re reading the edge profile of the nozzle, in a small sample set. Similar to barrel markings on bullets.
minus-squareOnomatopoeia@lemmy.cafelinkfedilinkEnglisharrow-up4·2 months agoOn other words, not very accurate. Despite decades of seeing this stuff on TV, bullet casing “fingerprinting” isn’t
minus-squareSkyrmir@lemmy.worldlinkfedilinkEnglisharrow-up1·2 months agoYeah, it never proves that was the barrel a bullet came out of, just that it came out of a barrel just like that one.
They’re looking at a square millimeter of print, which means they’re reading the edge profile of the nozzle, in a small sample set. Similar to barrel markings on bullets.
On other words, not very accurate.
Despite decades of seeing this stuff on TV, bullet casing “fingerprinting” isn’t
Yeah, it never proves that was the barrel a bullet came out of, just that it came out of a barrel just like that one.