https://sinkers.github.io/devlog/Notes from building things, with links to the code.https://sinkers.github.io/devlog/2026/10/13/pipe-router/https://sinkers.github.io/devlog/2026/10/13/pipe-router/ Tue, 13 Oct 2026 00:00:00 +0000SD-DC now routes chilled-water pipes and cable trays as agent services. On a real 34-pipe design it matches the hand routing and comes in 2 m shorter, and when a route can't be built it explains why.