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EDM is not machining in the sense that material is cut away in the conventional way. Many thousand of sparks at micron scale erode material. Effectively the tool and the work piece are electrodes....

True. So true.
I agree entirely. I have made my own razors by hand. Has a sort of traditional (Japanese) master smith reverence to it.
In terms of the average Joe designing his own personalised...

The die sinking technology exists now. Cost dose make it economically detrimental, but it's still feasible. We may all be shocked at how quickly this could change. This technology and the...

Working in an industry where rapid prototyping is the norm, I've been thinking about one shot manufacturing methods for blades.
Using subtractive modelling techniques from cad, it seems feasible (in...