4 layers220 × 120 mm

Electricui arena
electricui/electricui-arena
Hardware for continuous integration testing of serial interfaces and microcontrollers
268 parts27MIT
KiCad boards from 3 GitHub repositories tagged “ci”, the most starred first; open any of them in PCBKit.

electricui/electricui-arena
Hardware for continuous integration testing of serial interfaces and microcontrollers

BayLibre/Labrack
A standard 1U rack front panel metal sheet and PCB providing power, connectivity and more.

Cimos/etchy
Fast, trustworthy PCB visual and geometric diff tool (Rust). Successor to gerber-diff.