World’s first 3D-printed steel bridge opens in Amsterdam (July 15) -

The world’s first 3-D printed steel bridge, made of 4,500 kilograms of stainless-steel, opened in Amsterdam. The 12-metre-long MX3D Bridge was built by four commercially available industrial robots using welding torches to accumulate the structure of the bridge layer by layer and took six months to print. The attached sensors will be recording the strain, movement, vibration, and temperature across the bridge and the sensors will be fed into digital model for engineers to study the properties and apply machine learning to identify trends.