Fences are hard to make, so why not make a 2D one? That's what I did, you cut out the divots (and the center white parts if you want to) and fold it horizontally. The triangles are folded at 90 degrees to keep the fence stable.
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.