It's not just hype - 3D printing is the bridge to the future

A company in the Netherlands is building a bridge across a canal in Amsterdam using 3D-printing robots. It seems that such attention-grabbing headlines appear regularly to declare how 3D-printing is destined to revolutionise manufacturing of all kinds. If the idea that key manufacturing products such as cars, aircraft - or indeed bridges - built by 3D printing sounds like hype, you're mistaken.