The parts are not nearly as expensive as you think. It's likely made from some obsolete stock. See also: https://hackaday.com/2017/10/11/building-the-hackaday-

The parts are not nearly as expensive as you think. It's likely made from some obsolete stock. See also: https://hackaday.com/2017/10/11/building-the-hackaday-superconference-badge/ https://hackaday.com/2017/10/11/building-the-hackaday-superc...