Quote Originally Posted by stovens View Post
"So maybe I'm the only person who has never heard of spark etching?"
Add me to the list Pel, That's so cool!
Aint it just ???
I now have another technique in the memory bank for any other odd problems.... My mate at the machine shop says he has a friend who does only spark erosion / etching for special projects for F1 race teams. This is his year round living making bespoke parts for the F1 cars