Hehe. That's funny. I came here looking for the same thing. I'll probably get around to creating some when I have time, so I'll let you know how it goes.
As far as I know, no drawing tools exist for a fence. However, I have some fence symbols (from CSUAC) that you can use. Email me at mutant2@verizon.net for the files if you wish.
There are some wooden fence symbols. Along with some stone fence symbols. Ah, the default city symbol set has wood fences and bush hedges. Along with rockwalls of different widths.
On a related note, I'm looking for some top down wrought iron fencing (like around graveyards and churches and other Gothic settings), if anyone knows of any images (PNG/bitmap, not vector).
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