4 layers80 × 55 mm

Demo board
atuzlak/kicad-splitplane
Split a KiCad power layer into one continuous copper zone per voltage
2 parts2MIT
Open-source boards designed in KiCad by atuzlak on GitHub, from 1 repository. A board’s address here is its repository’s there.

atuzlak/kicad-splitplane
Split a KiCad power layer into one continuous copper zone per voltage