I have a customer that wants me to engrave some pewter cups for him and I bought the rotary attachment with the laser when I bought it. I am really struggling with getting the rotary to operate, I know it's got to be in the setup in EZ-Cad and I have watched numerous videos on you-tube and still haven't gotten anything but more frustrated. Is there a step by step instructions that I can download somewhere that will get me on the right path? I had no problems with the rotary attachments on my CO2 lasers, but this fiber is kicking my butt.