2 layers19.8 × 30 mm
ATTiny Breakout Board
xz-group/PCBench
PCBench is a free open-source benchmark for board-level hardware attacks and Trojans.
3 parts3GPL-3.0
Benchmarks
1 boardsKiCad boards from 1 GitHub repository tagged “benchmarks”, the most starred first; open any of them in PCBKit.