my keyboard layout:

Layer 1:

Layer 2:

firmware:

firmware.hex from tkg.press

dfu-programmer commands to flash firmware & keymap:

dfu-programmer atmega32u4 erase

dfu-programmer atmega32u4 flash firmware.hex

dfu-programmer atmega32u4 flash-eeprom keymap.eep

dfu-programmer atmega32u4 reset

useful-urls:

http://www.keyboard-layout-editor.com

http://tkg.press