Two lock-pickers managed to create software that can guide a 3D printer to craft a plastic master key that works on more sophisticated locks.Engineers Jos Weyers and Christian Holler rely on the lock bumping technique for opening tumbler locks with the 3D printed bump key. In order to make the key, they created Photobump, an app where the parameters of the lock are entered and which sends the commands for printing the key.The information required includes the positions of the pin…