2 layers

Small-7
NVlabs/Cypress
Cypress is a scalable, GPU-accelerated PCB placement method inspired by VLSI. It incorporates tailored cost functions, constraint handling, and optimized techniques adapted for PCB layouts.
52 parts56Apache-2.0
Boards in 1 GitHub repository, designed in KiCad, that use the X49UD20MSD2SC by YXC (-20℃~+70℃ 20MHz 20pF Through Hole Crystal Oscillator ±20ppm ±30ppm HC-49U Crystals ROHS). See how each wires it, with its parts, size, README and files; the X49UD20MSD2SC’s symbol, footprint and pinout are on its own page.

NVlabs/Cypress
Cypress is a scalable, GPU-accelerated PCB placement method inspired by VLSI. It incorporates tailored cost functions, constraint handling, and optimized techniques adapted for PCB layouts.