Introduction: Etch Patterns on Metal With a Battery
Here's a cool and easy way you can etch most metals such as knife's with simple ingredients found in every kitchen.
Step 1: Video
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Step 2: What You'll Need
All you need is something to etch,
-A battery 9-12v should do
-Some vinegar and salt
-Some wire and an earbud
- A pencil and a PCB marker (other types of markers might work)
Step 3: Drawing
Now take your pencil and draw the patterns you like and then go over it or around it with the PCB marker.
You can either etch negative or positive by going around the pencil sketch or over it. If you go over it you will etch the whole metal meaning only the section you have cover will keep its original shine and if you go around the pencil sketch you will only etch the pattern and keep the rest of the metal with its original finish.
Step 4: Mixture
Mix the salt and vinegar 50/50
Step 5: Connect Wires
Now connect the Positive wire from the battery to the object and negative to the earbud
Step 6: Applying
Now gently apply all over or just over the sketch depending on whether you chose negative or positive
Step 7: Cleaning
Use a wet sponge make sure it is wet or else it will scratch your metal and slowly scrub the marker off the metal and you have your etch!