I can across this article regarding calibrating a bit for etching.
http://phk.freebsd.dk/CncPcb/calibrate.html
I guess all bits are not created equal. And it sort of makes sense that the width of the bit will change slightly the deeper it goes.
The author suggests, scanning your etched board and counting pixels to get the width. I understand this can be done in Gimp but I have no idea how that would be done.
Can anyone explain step by step? I almost know nothing about gimp.
http://phk.freebsd.dk/CncPcb/calibrate.html
I guess all bits are not created equal. And it sort of makes sense that the width of the bit will change slightly the deeper it goes.
The author suggests, scanning your etched board and counting pixels to get the width. I understand this can be done in Gimp but I have no idea how that would be done.
Can anyone explain step by step? I almost know nothing about gimp.