It is a real thing... there are methods to do it.
You have to edit the server rotate packet to face at rotations: 1/3/5/7 so that it faces diagonals (or just normally but the wrong way if zoomed-in).
- Alex (Shenk).
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This happens with seats when they're on top of snowboard patches too because you face sideways to whatever direction you'd normally be facing
not sure if it still works but you can hide seats inside sofas and stuff to give the same illusion without using any glitch/scripts
http://www.youtube.com/watch?v=meHL-B8Ns0I