Here is a gif of what the cut file looks like so you can visualize it better
Basically, you download the PDF I created here:
Or get it from step 3 of this Instructable
The red lines are cut lines, the black lines are etch. Pretty standard stuff here no surprises.
I replaced the '0' that marks the perfectly flat side on the professional one with a ruler
as I thought it'd be alot more useful in checking profiles and everyone knows a ruler is straight without extra