Blueprints for Thinking: Why CAD Needs Agents, Not Prompts
A bracket looks simple until someone has to manufacture it. On a screen, a generated part can look almost right: the flange appears round, the bolt holes seem evenly spaced, and the central bore is visible enough to satisfy a casual glance. Then a machinist opens the file, measures it, and discovers the inconvenient details: the wall thickness is wrong, a boolean cut failed, two solids merely touch instead of joining, or the bounding box is off by a few millimeters. ...