save this file to ~/.config/terminator/config

terminator-config

[global_config]
  enabled_plugins = CustomCommandsMenu, InactivityWatch, TestPlugin, ActivityWatch, TerminalShot, LaunchpadCodeURLHandler, APTURLHandler, MavenPluginURLHandler, LaunchpadBugURLHandler, LayoutManager
  title_transmit_bg_color = "#832527"
[keybindings]
[profiles]
  [[default]]
    scrollback_lines = 4000
[layouts]
  [[default]]
    [[[child1]]]
      type = Terminal
      parent = window0
    [[[window0]]]
      type = Window
      parent = ""
  [[3term]]
    [[[child0]]]
      position = 1440:0
      type = Window
      order = 0
      parent = ""
      size = 1920, 1200
    [[[child1]]]
      position = 600
      type = VPaned
      order = 0
      parent = child0
    [[[child2]]]
      position = 960
      type = HPaned
      order = 0
      parent = child1
    [[[terminal3]]]
      profile = default
      type = Terminal
      order = 0
      parent = child2
      command = (cd /some/dir/1; bash)
    [[[terminal5]]]
      profile = default
      type = Terminal
      order = 1
      parent = child1
      command = (cd /some/dir/2; bash)
    [[[terminal4]]]
      profile = default
      type = Terminal
      order = 1
      parent = child2
      command = (cd /some/dir/3; bash)
[plugins]