Regardless, 3D printing and assembling your own combination lock is a great way to learn about how they work. It’s a fun project that is also much easier than sourcing and disassembling the real ...

Los Angeles-based hacker Samy Kamkar found a flaw in the design of Master Lock combination locks that allows you to figure out the code. He 3D printed a gadget that automates the process.

“Basically, if I can see your keyhole, there’s an app for that.” Here’s a video of Holler using a 3D-printed bump key to open an Abus E20 lock: Bumping isn't a new trick.

Over at the 23B hackerspace in Fullerton, CA, [Dano] had an interesting idea. He took a zip tie, and trimmed it to have the same profile of a lock pick. It worked. Not well, mind you, but it worked… ...