Custom editor for skill trees is a next small piece of same project as random props generation. It allows to simply create and customize beahviour and look of skill trees. 
Custom editor allows to create customizable size grid to insert skills, creating or removing  skill nodes and of course creating connections beetwen them. Skills has few customizable properties where one of them, required skill level, were  set in reference to assigned row. 
Graphic representation where created according to .json file where data about skills were saved. It supports custom numbers of rows and colums.