Polymer Concrete CNC Milling Machine / Router Design ...- all milling machine with sketch ,Polymer Concrete CNC Milling Machine / Router Design Sketch [Granite Frame] Build a concrete milling machine? Almost, but with a little help from structural steel and a better vibration damping material than straight concrete.US3886847A - Pantograph copy milling machine with drawing ...A pantograph milling machine mills in accordance with a tracing from a drawing. The invention constructs the tracing device as an electron optic reading head.