How to setup ezcad 3 with rotary
If it engrave wrong way, just untick the "Invert" option
Now, you are ready to use the rotary. IF you dont have motorized Z axis,
skip the offset option. and do the regular focusing :D
Example of vertical distance from base to center of rotary.
Settings for engraving pictures
Settings for engraving text
Check out this youtube video toturial