2 layers79.4 × 38.1 mm

Ai03-pcb guide
bridgethaas/ai03-pcb-guide
A macropad pcb designed following the ai03 PCB Designer Guide, https://wiki.ai03.com/books/pcb-design/chapter/pcb-designer-guide.
24 parts
Open-source boards designed in KiCad by bridgethaas on GitHub, from 2 repositories. A board’s address here is its repository’s there.

bridgethaas/ai03-pcb-guide
A macropad pcb designed following the ai03 PCB Designer Guide, https://wiki.ai03.com/books/pcb-design/chapter/pcb-designer-guide.

bridgethaas/mz-pcb-guide
Products of following along with the 'Designing a keyboard from scratch' guide at https://www.masterzen.fr/2020/05/03/designing-a-keyboard-part-1/