Thanks for the reply Mike
I would want to cut brass, and only need a relatively small working area of about 100mm square and enough room for clamps.
I make clocks and currently cross out wheels on a rotary table on a universal mill with 2-axis DRO, (my manual workshop is pretty comprehensive) I also have a universal dividing head a 2BS and cut wheel teeth on that with a Division Master to rotate it easily. Crossing out wheels does not require great accuracy. I just thought that even at my age it would be good to use a new method.
You can teach an old dog new tricks with lots of time and patience!
The budget needs to be modest as this work does not generate income.
I now recall we had to find an old PC to run the "printer" that punched the NC tapes for the Hardinge lathes I once owned.