This is an unconventional layour for the ErgoDox EZ, based on the bepo one from jackhumbert/qmk_firmware.

This layout is maintained in its own repository. To build it, you will need the QMK firmware checked out, and this repository checked out to something like keyboards/ergodox_ez/keymaps/sbr.

$ git clone https://github.com/jackhumbert/qmk_firmware.git
$ cd qmk_firmware
$ git clone https://github.com/vdemeester/ergodox.git \
            keyboards/ergodox-ez/keymaps/sbr
$ make ergodox-ez:sbr

Then you can load it into the Ergodox EZ.

$ sudo teensy-loader-cli -mmcu=atmega32u4 -w ergodox_ez_sbr.hex -v