Attached are various files I used to build my 2006. I agree it is a bit confusimg at first, but once you start the construction it becomes clearer. if you ever have a question about a dimension or how something fits together, the 3d model is very helpful (solidworks file attached). All these files are avaliable on this forum (I did not create any of them). You just have to spend some time searching. The 2006 design seems to be very solid and comes together very well. Best of luck on your build.