src/main/java/org/teachingkidsprogramming/recipes/completed/section05recursion/SpiderWeb.java
public static double weaveOneLayer(double length, double zoom)
  {
    //    Do the following 6 times --#5
    for (int i = 0; i < 6; i++)
    {
      //     DrawTriangle (recipe below) --#4.2
      drawTriangle(length);
      //     Turn the tortoise 1/6th of 360 degrees to the right --#7
      Tortoise.turn(360.0 / 6);
      //     Increase the length of the line by the current zoom --#8.1
      length += zoom;
      //    End Repeat --#10.2
    }
    return length;
  }
public static double weaveOneLayer(double length, double zoom)
  {
    //    Do the following 6 times --#5
    for (int i = 0; i < 6; i++)
    {
      //     DrawTriangle (recipe below) --#4.2
      drawTriangle(length);
      //     Turn the tortoise 1/6th of 360 degrees to the right --#7
      Tortoise.turn(360.0 / 6);
      //     Increase the length of the line by the current zoom --#8.1
      length += zoom;
      //    End Repeat --#10.2
    }
    return length;
  }
------------- Recipe for WeaveOneLayer --#9