Custom etching wallplates/paddles yourself?

Can PC board chemists here figure out a way to custom etch plastic or metal wallplates for identifying switches? I was thinking there must be some photo-etching method that can etch the plastic and you would just rub contrasting paint into the etching. Can you photo-etch a wallplate with a laser printer (to make a negative on transparency film) and common PC board making materials that maybe spray on? Or other acid applied after photo process?

Custom etched wallplates and switch paddles are so damned expensive, I just thought there must be a DIY way to do it (without simply sticking on Avery labels).

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Plastic wallplates are usually made of melamine, which is not etched by much of anything. Try sandblasting, or machine-engraving (use a carbide bit).


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