User blog comment:BlankyXP/Shall we gather for whiskey and cigars tonight?/@comment-25900004-20150613163316/@comment-25900004-20150614010800

Self-taught. It's not hard to do by any means, but terrain painting is a pain in the ass. It's hard to do well, I guess, and it's extremely time consuming, especially if you're building a large world like I am.