A bit of nail polish, a container of salt water, a 9V battery, a Q-tip, and some alligator leads. That’s pretty much it. Easy, inexpensive electro-etching process from Instructables user lasersage appears to give impressive results.
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A bit of nail polish, a container of salt water, a 9V battery, a Q-tip, and some alligator leads. That’s pretty much it. Easy, inexpensive electro-etching process from Instructables user lasersage appears to give impressive results.
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