This 5-axis CNC router could soon be an open source tool. [Mike Calvino] built it for the School of Architecture at the University of Arkansas. It can be used as a router or as a plasma cutter ...

(Editor’s note: the author was confused between the GPL open-source Qucs and the closed-source, binary-only QucsStudio. We’ve cleaned that up.) QucsStudio supports a wide range of circuit ...