Not really an exercise, but I do it once in a while. Basically when you model in max and are doing some hard surface stuff you obviously have a stack of modifiers, like Symmetry, FFD maybe and a Turbosmooth on top. Most people including me model low poly, dragging verices around and then turn on Show End Result, to see…
Do "sketches". 1 hour models, not necessarily speed models but rather spend one hour modeling a variety of stuff you usually don't do. This will make you run into problem areas you might not have encountered earlier, and will overall teach you how to quickly assess different shapes. I HIGHLY recommend working from real…