For those wanting to see initial results, here is a first attempt, showing the house before, and what we'd like it to become...

http://www.youtube.com/watch?v=aMVkOleNNkA

<r>Just to say kudos for providing the video mode, it works really well... took about 12 hours on my recent macbook pro for a couple of minutes of 'quality 3' 3d video, and on a slightly older CMP sparc box with 128 threads the same thing took 2 hours, with about 50% load average (it seems to go ...