Quote Originally Posted by Jetblack View Post
There are other ways to etch surfaces as well, air eraser air brush and compressor using a fine grade aluminium powder. I have been researching this method for other projects. Essentially, can be used for etching just about all surfaces without the need for electrical chemical current. Low 45 PSI compressor and a Paasche Air Eraser and fine grade aluminium powder.
This sounds interesting. If you try it please post ;-)


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