The beginning of the DIY 3D printing movement was a heady time. There was a vision of a post-scarcity world in which everything could and would be made at home, for free. Printers printing other ...

Quentin Harley describes himself as a self-taught hacker from Centurion, just north of Johannesburg in South Africa. He's a softly-spoken engineer for Siemens and a member of a local makers collective ...