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 ...

[FreeRider] had built a CNC router before but it was big ... Skate bearings support 5/16″ threaded rod used as lead screws. Lead nuts are tapped HDPE blocks and seem to be doing a satisfactory ...