The 66 inch Edge 540 is much more of a pattern plane than a 3D one, even when given a lot of power.

Having said that, mine is about as pitch sensitive as any plane I have ever flown, and since that's an important factor in 3Ding maybe they would do some 3D maneuvers if built light enough.

I don't think they were designed for high alpha flying, but I could be wrong.

They are beautiful fliers though!

-David C.