![]() Generally speaking, the parts produced by resin-based printing have a high tensile strength but are very brittle, so perhaps not the kind of thing you want to stick in your expensive Abloy lock. Once you have the decoded values for the key you want to duplicate, you just need to provide them to the OpenSCAD library has developed and print the resulting STL on your sufficiently high-resolution printer. Hopefully this keeps bad actors from doing anything too nefarious with this research. wisely leaves that step of the process out, so anyone looking to use this project will need to have a good working knowledge of the Abloy Protec system. Of course, these keys are far too intricate to duplicate from a single picture, so you’ll need to have the physical key in hand and decode it manually. But with a sub-$300 USD Anycubic Photon DLP printer, it’s now possible to circumvent these highly regarded locks non-destructively. The resulting STLs are, unsurprisingly, beyond the capabilities of your average desktop FDM printer. Inspired by previous printed keys, wanted to see if the techniques could be refined for use against high security Abloy Protec locks, which are noted for their resistance to traditional physical attacks such as picking. The geometry of these keys is far more complex, making them too challenging to duplicate on a consumer-level printer. ![]() It’s one thing to print a key that will open a $15 Kwikset deadbolt from the hardware store or a TSA-approved “lock” that’s little more than a toy, but a high-security key is another story. The ability to duplicate keys with a 3D printer is certainly nothing new, but so far we’ve only seen the technique used against relatively low hanging fruit.
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