I understand how to lay-out full scale on a floor. I do it quite often. That is easy (especially a bent (one plane)). Now suppose you did not have a floor that was 14'X 25' (centerline). Why not try to figure things out? What if you ever wanted to use curves in intersecting planes? In addition, (no pun intended), I think its nice to be able to find all neccessary information from a sheet of paper that you could fold in your pocket and show others. Plus, (again, no pun intended, its everywhere!), math allows you to convey information a lot easier.

When it comes time to actually build one of these (this was all brainstorming). I will most likely layout 1:1 but I would like to be able to proceed in more than one way. I think versatility is valuable. I like learning, too.

Anyone have some pictures of arch braces?

thanks, mo