Update on Nov. 8 at 11:21 a.m. Pacific: Corrected to reflect the printer’s resolution which is 10 mil, not 10 millimeters, and to the timing of its fundraising plans. Cyril Ebersweiler, hardware ...

There has been an argument raging for years over whether you should design circuit boards with 45-degree corners or 90-degree corners. Why make them with corners at all? This breathtaking circuit ...