# Michael Guterl's Ortho 4x12 Layout I use this layout for both my Planck and Levinson. I also have a very similar [keymap](/keyboards/preonic/keymaps/mguterl) for my Preonic. Check out my [userspace](/users/mguterl) for the custom keycodes that are used in keymap.c. At a very high level I use 4 layers: * Qwerty - Letters * Util - Vimkeys for navigation and other convenient things * Raise - Numbers and F keys * Lower - Symbols ```sh make planck/rev5:mguterl:flash # For Planck rev5 or earlier and Planck Light make planck/rev6:mguterl:flash # For Planck rev6 make keebio/levinson/rev2:mguterl:dfu # For Levinson rev2 ```