A German engineer has revealed how to make 3D-printed 'bump keys' These devices can be used to break into popular pin tumbler design locks To make the key all that is needed is a picture of the lock and pin positions Two engineers claim to have devised a 3D printed ‘bump key’ that, with a bit of brute force, can do exactly that. Their device can apparently be used to open any conventional lock without having access to the real key used to open it. In the event known as LockCo