Go to Camera ¦ Walk.
Type in 1.8 and hit enter.
Hold the left-hand side mouse button and drag the mouse up or down to walk forward or backwards.
Now, use your right-click menu to select Look Around
Walk around using a combination of Walk and Look Around to see how your level will look in a first person game.
You're now ready for Step 3 in this method. Explode the fencing groups first. Select some fences at random. Make them unique. Now, select one of these new components, right-click and select Reload. Select a new component (V01, V02, and so on). Repeat it with your other variants.
Use the following techniques to further mess it up:
Move a number of fences in and out, so they're not all exactly in line
Flip a few by the red axis to create a mirror copy
Scale a few in the blue axis to make them slightly shorter
Use the Rotate tool to lean the posts in or out
Use the Rotate tool to rotate...