Here are all the 3D / game art related subreddits I know of, so probably one or more of them will be what you're looking for (I searched on Reddit and found them all about half a year ago, so some new ones may have appeared since): https://www.reddit.com/r/3DArt_Tutorial https://www.reddit.com/r/3DArtist…
was hoping for something like this http://gamedevelopment.tutsplus.com/articles/use-tri-planar-texture-mapping-for-better-terrain--gamedev-13821 Though these edges aren't 90 degrees, still the blend between planes is softened out a bit, though it might be using the vertices to do that.
In my opinion you had a good start, but now is the time you find references. Like MattyWS said, silhouette is very important. Second, you should use some gradient colors. The third thing, you need to find inspiration. Here is a good example ->…