I'm confuse. A join date in 2008 and closing in on 9,000 posts? Where's the real Christ and what did you do with him? Alternatively, how did you avoid this popular a question that long?
Let's start with Mair:
Are you going to increase the overall length? How much? I was just showing this to aerohead:
With the geodesic form you scale it to whatever you want and then pick the dimension of each edge from the 3D model. I was thinking of welding rod and doped dacron.