MakerCam was the easiest to deal with. It is dead with the death of flash.
http://jscut.org/jscut.html# seems pretty easy to use.
Starts from SVG, watch the upper right corner for promts….
Gcodes that are added to the output file.
S100 ;set spindle speed
M3 ;turn on spindle
M5 ;turn off spindle
For 7X Coupling, the set up is.
turn cutter DIA up to .126
.2 pass width, gcode units inch, Xoffset – Y offset =0.
create operation pocket .125
cut the last block of code and put it at the end
intuWiz software was used for some other cut files with simple shapes