How would I etch something into the blade of a knife?

I would prefer to avoid acid if at all possible.

Have you looked at electrolytic etching ?
http://www.greenart.info/galvetch/advan.htm
Steve
acidbass7 years ago
 chisel it only problem though is that you have to be freaking good at engeraving stuff with a chisel
legionlabs7 years ago
You may be able to use ferric chloride. It's toxic, read MSDS datasheet before use. Also might not work, but worth a shot if you have some around.

Sharpie marker acts as a pretty good etch resist. Try it on scrap steel first.
rickharris8 years ago
There is an instructable on salt water etching look it up.