Using Sketchup to visualize $1 trillion

This page has a visualization of the sheer size $1 trillion dollars would occupy using $100 bills. The images are rendered using SketchUp, one of my favorite applications.

I came across this link while browsing BoingBoing, and one of their comments I feel sums up much of what I feel nicely:

I love how the cost of making and sharing this diagram is still $0.00 no matter how big the problem.