Before starting you need to print this marker: http://brosvision.com/nativity-scene-ar/nativity-scene-ar-marker.pdf
Make your own virtual Nativity scene at home. After you point the camera of your phone or tablet at the printed Nativity scene, an animated 3D scene will be displayed right at your table.
1: Print the marker 2. Cut the marked part 3. Download the app for your smartphone / tablet and start it 4. Point your camera at printed Nativity scene and an animated 3D scene in augmented reality will be displayed