I just had my CNC 3060 assembled and immediately tried to test using previous 3D Gcode I used for my cnc. The result was just as good and the Gcode intended for GRBL controller is fully compatible with the Mach3 controller:
Here is the controller up close:
I used artcam to process an STL file I bought from ebay:
And using the cnc 3060, Here is the rough result on an 19mm MDF wood:
You may also enjoy using this machine. Available at olx.