This code is licenced under GPLv3. This project is a python interface to allow the user to operate a machine to test cardboard boxes. It uses the gtkmvc framework. An Animatics Smart Motor SM23165D is controlled via a serial interface and a load-cell and up to five linear potentiometers are measured on the Smart Motor's analogue input pins. Data are written to file as well as displayed in real-time on the screen using Matplotlib.