Wire arc additive manufacturing was first patented in 1920 and is one of the less discussed technology across the engineering fraternity but harbours large potential in wide-scale additive manufacturing across the industrial spectrum. WAAM is basically a DED (direct energy deposition) process capable of producing large-size parts and repairing worn-out parts & damaged components. Its capability to make near-net shape parts with complex shapes, tools, and dies could significantly reduce the overall cost of product manufacturing lead time, enhance product performance, and efficiency and reduce inventory costs. The advent of CAD/CAM software made it possible to create parts by way of additive manufacturing with a surface resolution of around 1mm and a material deposition rate of up to 10kg per hour or more.