CUI is a client mod that adds an in-game GUI for WorldEdit. It shows your current selection in a visible, adjustable box with the corners clearly marked. This helps admins reduce errors while using WorldEdit, select more complex areas, and visualize the area that they are actually editing. It is an essential tool for any server that uses WorldEdit. It is
also not currently compatible with SinglePlayerCommands, I’m working on getting it to work.
Modloader version: http://www.dl.9minecraft.net/index.php?act=dl&id=1356466779
Forge version: http://www.dl.9minecraft.net/index.php?act=dl&id=1356466751