Sublime Text 2 Custom Layout

1. Edit

 

Sublime Text 2\Data\Packages\Default\Main.sublime-menu

 

2. add

 

{
	"caption" : "3p_1:2",
	"command": "set_layout",
	"args":
	{
		"cols": [0.0, 0.5, 1.0],
		"rows": [0.0, 0.5, 1.0],
		"cells":
		[
			[0, 0, 1, 2], [1, 0, 2, 1],
						  [1, 1, 2, 2]
		]
	}
}