Ben Krasnow got his first (in a series of, by the sound of it) EDM video up as promised and the OB Sphinx gets a starring role! EDM's been pretty heavily featured in my "to build" list for a couple of years or so now. I frequently seem to need to machine hardened materials, make hard internal corners, or other EDM-only features that I end up having to work around. Not having a surface grinder exacerbates the issue on the hardened stuff, too. Other than the Dynomotion board being kind of expensive (in essence, a $250 Arduino running 8-axis grbl- motor drivers still required), but I think that's just because it's FPGA like the Mesa boards, and possibly the high-current EDM PSU being likely much more expensive, this seems eminently doable. Not only doable, but actually pretty easy. It's a price hurdle, not a complexity hurdle, which is great. The paint sprayer is only a couple hundred bucks or so and I already have the same model he uses anyway (great for garage repaints, if anyone has one of those coming up this spring!). Looking forward to the other videos, looks like he's gonna do wire and sinker EDM after this! Edit: finish your sentences, dummy!