Software Discuss CNC machining software. For CAD software see discussion <a href="https://www.3dhubs.com/talk/c/cad/cad-software">here</a>.
Materials Discuss materials for CNC machining, from metals to plastics. Material properties, machining settings and best practices.
Machines Discuss everything related to CNC machines. Including performance, manufacturers, troubleshooting, maintaining and upgrading of CNC machines and more.