Described is a carpentry tool for human-robot collaborative stereotomy using a collaborative industrial robot system controlled by artificial vision capabilities that locates, recognizes, and executes machining instructions hand-drawn by a carpenter on a workpiece, which can be in installed permanently in a factory or temporarily on site and is formed by a transport unit and a collaborative industrial robot system comprising a control system, a vacuum generator, a backup power system, a positioning means, a user interface, a detection system, an alert system, a manipulator, a horizontal linear movement shaft, a robotic tool changer, an end-effector rack, an automatically changeable eye-in-hand vision system, and a plurality of interchangeable cutting tools; and a method for operating said tool.