Point point4 = new Point(0, 0, 1.2);
Face face1 = new Face(point1, point2, point3);
Face face2 = new Face(point1, point2, point4);
Face face3 = new Face(point1, point4, point3);
Face face4 = new Face(point4, point3, point2);
Polygon polygon1 = new Polygon(face1);
Polygon polygon2 = new Polygon(face2);
Polygon polygon3 = new Polygon(face3);
Polygon polygon4 = new Polygon(face4);
pyramidSceneObjectSet.add(new PolygonalSceneObject("pyramid",
new HashSet<>(Arrays.asList(polygon1, polygon2, polygon3, polygon4))));
}