No, I had no trouble forming 2024-T3 for my switch panel. I used it as a flat panel only and where I needed a 90 degree bend I riveted on a 90 degree extruded strip of 2024-T451. Forming 2024-T3 is not really feasible but where it can be used as a flat panel it is great; as strong as mild steel but much lighter. Why did use 2024? ... because I had some.We use 0.050 5052 ad have had good luck with it. Neil did you have any difficulty in forming the 0.090?