Done my level in SketchUp.
It took fucking ages and Google is an awful interface.
For everything it does amazingly RIGHT it does a hell of a lot WRONG.
Ah well, images below:
(Ill do a walkthrough later, I'm just showing images now because it took me ages and you`re forced to acknowledge my victory over computers.)
Thank god for that.
Guess that's the camels back well and truly broken, Ill just leisurely do the Document now.