The so far largest and most developed clanmap of the Cubic Matter Editing Clan. (http://cubicmatter.net/forums/index.php)
No progress for years on the map so it is now uploaded unfinished but is still interesting from the artistic point of view.
Development of the map is more or less documented in this thread: http://cubicmatter.net/forums/viewtopic.php?f=8&t=30
Video of the map: https://www.youtube.com/watch?v=cF7DFyH4u8A
Started September 2010.