4 x 4 iTerm Grid

panes.sh

#!/bin/bash
# panes
# make a 4x4 grid of iTerm panes

/usr/bin/env osascript <<-EOF
tell application "iTerm"
	activate
	set myterm to (make new terminal)
	tell myterm
		launch session "Panes"
		tell i term application "System Events" to keystroke "d" using command down
		tell i term application "System Events" to keystroke "D" using command down
		tell i term application "System Events" to keystroke "[" using command down
		tell i term application "System Events" to keystroke "[" using command down
		tell i term application "System Events" to keystroke "D" using command down
	end tell
end tell
EOF

i think you mean 2x2