Calibration profiles for UDK, UE4 and UE4 (Optimized) are still broken in version 1.4. These profiles have missed edges for the texture. Toolbag2, Last-gen,Uncalibrated, CryEngine, Unity UE4, UE4(Optimized), UDK I used the same initial maps and same model from Box.rar. I used sunburnt metal material for this example.