default « layouts - qmk - Custom split ortholinear mechanical keyboard with rollerball mouse. Firmware. https://blog.node5.net/custom-keyboard

Mode	Name	Size
d---------	60_ansi	118	log plain
d---------	60_ansi_split_bs_rshift	134	log plain
d---------	60_ansi_tsangan	126	log plain
d---------	60_hhkb	118	log plain
d---------	60_iso	117	log plain
d---------	60_iso_tsangan	125	log plain
d---------	60_tsangan_hhkb	126	log plain
d---------	65_ansi	118	log plain
d---------	65_iso	117	log plain
d---------	66_ansi	118	log plain
d---------	66_iso	117	log plain
d---------	68_ansi	118	log plain
d---------	75_ansi	118	log plain
d---------	75_iso	117	log plain
d---------	ergodox	118	log plain
d---------	fullsize_ansi	124	log plain
d---------	fullsize_iso	123	log plain
d---------	numpad_4x4	121	log plain
d---------	numpad_5x4	121	log plain
d---------	numpad_5x6	121	log plain
d---------	numpad_6x4	121	log plain
d---------	ortho_3x10	121	log plain
d---------	ortho_4x10	121	log plain
d---------	ortho_4x12	121	log plain
d---------	ortho_4x4	120	log plain
d---------	ortho_5x12	121	log plain
d---------	ortho_5x14	121	log plain
d---------	ortho_5x15	121	log plain
d---------	ortho_5x4	120	log plain
d---------	ortho_6x4	120	log plain
d---------	planck_mit	121	log plain
d---------	tkl_ansi	119	log plain
d---------	tkl_iso	118	log plain