Installation
Extract the files to your maya UserApp directory (in windows it is “Documentsmaya”)
In case you don’t know where your Maya UserApp directory is
• Inside Maya, Open script editor
• Type “ internalVar -userAppDir ” and press ctrl+enter .
Maya should now show you the right directory to copy the files.
Loading the shelf
• Press the gear icon beside the shelf 
• Choose load shelf
• Navigate to the directory that you have extracted the files and load “shelf_CGE_Terrain2.mel”
