She didn’t answer. She just placed a spool of titanium alloy wire into the (DED) robot. Instead of a spinning cutter, this machine wielded a laser. Instead of removing material, it added it. Layer by molten layer, the robot’s arm traced a complex path, building the hip joint from nothing but energy and powder.
Jensen grinned. “That’s where the acid comes in.” alternatives to traditional machining
She walked across the lab to the new wing—the one the old-timers called “the kitchen” because it smelled of polymers and light. Her boss, a kid named Jensen with a 3D printer on his desk, looked up. She didn’t answer
The part grew like a plant in fast-forward. No clamps. No vibration. No wasteful rivers of chips. In four hours, the part was done—lighter, more porous for bone ingrowth, and geometrically impossible to make with any traditional mill. Instead of removing material, it added it