KiCAD runs rusEFI
4 layer board 165 * 156mm
rusEFI Pinout https://docs.google.com/spreadsheets/d/14IxjitlEFrC2bSp0IRdNRyXZondlvw2CmJ3Q9DUdvyo
Also useful document https://docs.google.com/spreadsheets/d/1ywuDLkhp-Q8VnNsPLQVZCZtjmalo7IQzmFDbDqwyniM
User Documentation