What drives me crazy is how the model will rotate, what appears to me randomly, after a feature is either suppressed or resumed. Most of the time the model will rotate off of the screen and I have to fit to screen to find it again. This really only happens with a part that is a subset of a larger merge model. In future releases of Pro/E could the model simply stay stationary after a feature is messed with? And if I don't know what I'm talking about please let me know too.