(I think I know what you mean But I could be wrong) So when your selecting the ones you want to pull, you hold down shift while clicking the lines that you want pulled : U and then you can let go shift and pull on one and they should all pull
Hmmm... I'll try that... *tries it* They end up as three seperate pieces, as in, they're different laters. In yours, it's all one flat piece, right? I end up with it looking like a cell phone reception thing from the side. How do I keep that from happening, or make the plane flat afterwards?