qmk-keychron-q3-colemak-dh/keyboards/xiudi/xd60/keymaps/split_bksp_arrows
..
keymap.c
readme.md

Instructions

make xd60:split_bksp_arrows

Layout

Layout

http://www.keyboard-layout-editor.com/#/gists/5bb96ed3f4974bf74b1c448c8349d01f