Hi, just wanted to point to our freely licensed hardware development files. All are freely licensed and make copyleft hardware. They will be turned into real hardware at some point. If you are curious let us know. /mirko  http://www.qi-hardware.com  http://projects.qi-hardware.com/index.php/p/board-...  http://lists.qi-hardware.com/cgi-bin/mailman/listi...