I'm starting out with SketchUp and enjoying playing around with it. Unfortunately, my computer is a little behind the times so I guess there is only so much I can do before it gets a bit too slow.
I decided to try a bit of Calatrava's twisting effect on a tower. This is not the Chicago Spire by any means...
Here she is, 144 floors of twisting:
And this is the X-Ray feature, which I thought gave it an interesting effect