I recently picked up a scrollsaw. The blades that it uses are pretty amazing, they almost wire thin but sharp enough to slice through 3/4 inch hardwoods. The human eye (at least these 40+ year old human eyes) can barely see the individual teeth. Which got me pondering as to how they manufacture and sharpen the blades.
Apparently they’re milled, rather than stamped, but that’s all I know. Anyone knows what processes are used to make something like this?