LUND, Sweden (Reuters) — A Swedish-based professor who became famous by pioneering the art of customised 3D printed instruments has unveiled his latest invention – a 3D-printed aluminium electric guitar. Olaf Diegel, a professor at the University of Lund, has already made around 70 guitars using polyamide – a nylon powder – one of which is used by United States rock legends The Steve Miller Band. But the New-Zealander was intrigued by the idea of […]