Interesting discussion of tolerances

[Hirudin]

For anyone interested exploring what it might take to make an EDM machine (the normal(?) kind, not the wire kind)…

Wazer: Personal Waterjet Cutter (Kickstarter)

@hirudin - have you seen Ben Fleming’s DIY EDM design? http://www.homebuiltedmmachines.com/ He sells the book “Build a Pulse EDM Machine” along with a circuit board for the project. The book is $55 on his web site and $200 on Amazon so buyer beware.