When it comes down to it there is nothing better than manual tools for your Lock pick Set, whether they be retail, homebrew, macgyver style. DIY'ers look here.
If you find a way to get clean lines without it eating way what you dont want please post back with your findings. I tried to do this once and got fed up with the results.
Yes, i am eventually going to try this set up for making "blanks" from hacksaw blades. as before i need to cut them down via my dremel. And well, that is a slow process, specially now because i need to replace my cutting wheel