Forget grinders and dremels and such like.
The blade features---sogokan, greneng, blumbangan etc---are most easily and most quickly done by (sogokan) roughing out with a small cold chisel, refining with a scraper, and finishing with jewellers files and rifflers. Greneng is most easily cut with jewellers files. The easiest way to get the right contours in the blade is with a scraper.
Yeah, yeah---I know almost everybody working today uses grinders, but have a close look at the detail sometime, and then look at something that is attributed to Kinom, or one of the other past greats. There is only so much flexibility in a grinder, and it is impossible to cut the correct contours in sogokan with a grinder.
Of course, using non mechanical tools increases working time, and thus increases price, and 99.9% of buyers cannot tell you what the correct contours are anyway, so who is going to pay 5 or 6 times as much for something, if they cannot see any difference between it and something made with a grinder?
It takes about 40 hours for a skilled craftsman to cut correct sogokan to only one side of a blade.
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