It took my 3 days to get the whole thing done. I spent a good 8 hours trying to get it centered. That is the biggest pain but once i found the middle it was pretty smooth sailing. I also did this just for fun before I started it!!
http://www.chiefscrowd.com/forums/im.../2010/06/8.jpg
And then when I was done I had to sit down and take a breather!!
http://www.chiefscrowd.com/forums/im.../2010/06/9.jpg