A 3D Printing with Feature-based Extension

The NC programming language is developed for effective information flow in CAD-CAM-CNC chain. The international standards for the NC languages are G-code (ISO 6983) and STEP-NC (ISO 14649). Recently, additive manufacturing (AM) becomes challenging fabrication process while the computing power of a microprocessor is dramatically enhanced. Thus, the higher-level NC language that is portable and interoperable is demanded. The feature-based extension is proposed with demonstration of its benefits. The proposed NC language interfaces CAD-CAM-CNC with a measurement device, a Camera in this case. With the proposed NC language and the mockup intelligent NC machine, a 3D cylindrical feature that its position and size are to fit the existing objects are successfully 3D printed