1. Connect your web cam (be sure to install drivers if any).

2. Patterns used in this application can be downloaded by clicking on "Download Pattern" below the relative video

3. Launch the web app

4. when the camera output starts showing, place the patterns in front of the camera and see what happens ( it might take a few moments for the objects to load depending upon your connection speed)

5. Make sure that the black color on patterns are printed properly