If you are a hobbyist who enjoys cracking locks in your spare time, you’ll love this latest from Samy Kamkar for opening any Master combination lock. With some simple hardware, an easily designed and 3D printed 3D model, and supplied software, you’ll be cracking locks in no time, and very affordably. Read more about the device in the full article: http://3dprint.com/65554/diy-combination-lock-cracker/


Below is a look at the design: