This is a base I saw when I got on =[SOS]= and I thought that it deserved a place here even if it is just uberforting. I thought it was cool because there are so many people who believe that the 3d blocks are useless. It was built by Legion and a someone else I was not able to get a name of.
Here are some shots of the wall
Then this is a fully functional entrance
Then this is the not-so functional flag d. You can get in but you cant get out.