CNC Builds Built the 6090 CNC controller to replace the generic brand. Much better performance and accuracy! The Variable Frequency Drive (VFD) tended to over heat at 150 degress and shut down. I needed to replace it with a more reliable VFD and components. Always bench-build and test your project before committing to final enclosure Installing a Z axis homing switch 3D printed a mounting holder for an 80mm vehicle HALO light. Really provides illumination!