This is the 60% layout used by u/merlin36, host of the MechMerlin YouTube channel.
It is used on his
Duck Eagle V2
KBP V60 Type R Polestar
NPKC KC60
FN key once.Caps Lock can be held to act as a Left ControlTo build the firmware file associated with this keymap, simply run make your_keyboard:mechmerlin-ansi.