Hey gents I am messing around with GAEA and thinks its pretty powerful with the nodes and stuff, but how would you make a terrain symmetrical in the editor?
GAEA World Builder - How to make maps symmetrical?
https://forum.faforever.com/topic/6066/index-librorum-s-maps-assorted-projects-and-gaea-tutorials/17
See the heading called 'Creating Symmetry'
@askaholic I am glad someone read some of the 20k words I wrote on this topic 
"Design is an iterative process. The required number of iterations is one more than the number you have currently done. This is true at any point in time."
See all my projects:
