>>10150880Small details using paint or paint markers. Stuff like Molotow Liquid Chrome (you can see this best on my Helios's shoulder gems) or the Sakura gold markers go a long way to doing detail work. Depending on the build, metal verniers, the little eye gems for Zeon suits.
Also a big one is your panel lining method. Getting more colors helps a lot with matching what you're building. Most things I build end up with at least two colors of panel lining (usually black and some variant of gray).