This machine is pretty good as it has very good precision, 10um on the X,Y and Z axes. However it is not good for doing serious pcb. I tried 0.8mm pitch, 0.4mm distance between pads and tracks, the machine fails badly to accomplish the task. If you want to do serious printed board circuit, that is not the machine you want to use. The machine is able do do anything wide than 0.6mm. For other engraving task that not requires very good precision it will be okay. As I mainly bought it to manufacture pcbs I am dissatisfied with the product.
Fast shipping & good service