public void block1() { BlockTableRecord btr = new BlockTableRecord(); btr.Name = "GoatBlock"; Line line = new Line(Point3d.Origin, new Point3d(10, 15, 0)); Circle circle = new Circle(Point3d.Origin, Vector3d.ZAxis, 10); btr.AppendEntity(line); btr.AppendEntity(circle); btr.AddBlockTableRecord(); }