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The second one I let soak for about 5min and then just dunked it in water and wiped it off. Probably should have neutralized the acid, but I didn't. Using tape might work not sure if it would get...

Not sure how well it would stay on. Wax seems to work since it will stay on once it dries. I only used ink on this one since it was a "garbage" blade and you can see where it still got under the ink...

I just coated the razor with a sharpie and scribed the design into it and put the solution in a jar and dunked the razor in. The first etch I let it sit for about 20min since that is what I did on a...

Printed Circuit Board. It is Ferric Chloride. It is used to etch copper for when making circuit boards, but it will etch other metals as well.

Since I moved I found myself getting really bored. I can't run my bandsaw and belt sander at all hours of the night now so I have to find something else to occupy my time. I came across a video of...