toron: Just keep logging the hours , thats all thats involved, if you want to learn to be good at anything just start by being slow and awkward and make your way toward good. Wiruz: Well, why would you need zbrush to model a lowpoly bumpy brick? It's easy to do again by hand and unwrap, or its easier still to think ahead…
Standard sizes tend to be dictated by the scale of the characters, the speed of the rate of movement, the type of gameplay mechanics, method of interaction with the world. Gears has some established heights of gameplay devices, a set height maximum for steps ( though its worth noting that steps look and FEEL better to walk…