Ask AI to design a car and you get a beautiful 3D shape with 0 of the 30,000 parts a real car needs. Engineers solved that problem decades ago with one habit every language model skips. A small lab in Toronto just taught it to a machine. The habit is the tree. Toyota’s engineers draw a car as a tree. The body splits into assemblies, assemblies split into brackets and plates, and at the bottom you’ve got which screw goes through which hole, in what order. LLMs mostly don’t bother. Every token…