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 X49UD45MSD2SC by YXC (120Ω 20pF 4.5MHz Through Hole Crystal Oscillator ±20ppm HC-49U-2P Crystals ROHS). See how each wires it, with its parts, size, README and files; the X49UD45MSD2SC’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.