The main modification I made is to install a 12,000rpm spindle at the front of the mill for engraving. This works really well.
I swapped out the original main 5 amp fuse for a 5 amp circuit breaker. I found that I was blowing a lot of fuses and it was a bit of a pain swapping them.
Changing toolholders is easy if you add a spindle lock. Just press in and use a ring spanner to loosen the drawbar.
A stand is of course a necessity!
I added a large vice, and fitted an adjustable endstop.
A tool stand holds all the required tooling.
This is the usb pendant for manual control. A really handy item.
A coolant system in a 20l plastic drum with an aquarium pump does the job.