4 layers33.9 × 42.3 mm

PCBGolf
ulyssecrn/PCBGolf
comma.ai PCBGolf entry: 4-port CAN-FD dev board on a 35 × 43 mm, 4-layer PCBA. KiCad 10.
253 parts
Open-source boards designed in KiCad by ulyssecrn on GitHub, from 2 repositories. A board’s address here is its repository’s there.

ulyssecrn/PCBGolf
comma.ai PCBGolf entry: 4-port CAN-FD dev board on a 35 × 43 mm, 4-layer PCBA. KiCad 10.

ulyssecrn/usb-pd-card
PCB business card: USB-C PD charger tester + battery-free NFC tag.