seems like there are many versions of what is actually UP..
here some samples:
http://getintopc.com/wp-content/uploads ... wnload.jpg
http://cadsetterout.wpengine.netdna-cdn ... ts-LOD.png
also see the last two posts on this page:
viewtopic.php?f=63&t=40469&start=20
would it be possible to define what is up for me? so that based on the local setting I can rotate it how i like?