Sequential Optimal Packing for PCB Placement (blog.autorouting.com)

The article proposes a deterministic “Sequential Optimal Packing” approach for PCB component placement, placing parts one-by-one according to a cost function derived from design intent and constraints. It argues this avoids common problems with space-minimizing or force-directed packers by keeping placements legible, debuggable, and compatible with partially fixed or grouped subcircuits. The author notes limitations—pack order can be non-obvious and globally optimal layouts may be unreachable—suggesting constraint hardening or iterative refinement as mitigation.