Making big things in Blender can be intimidating at first. But adding tons of detail does not always have to be hard work. Using displacement maps can be a quick and fun way to make things look complicated, even though they are quite simple. Links: JS Placement Web version: Greeble Packs: Paid: Free: Bonus tip: Use "llimited dissolve" to decimate your polycount without sacrificing quallity. This can save you a lot of memory and render time!