About photo etching for scale model railroads.
Etching PCBs. – There is no need to use dangerous chemicals to etch PCB’s. You can use mono-sodium glutamate (food seasoning) bought from the supermarket. It requires oxygen from the air to work so the bubble tank thing would be very good. You could add hydrogen peroxide (sometimes sold as color safe clothing bleach) to hurry the process along.
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Very safe and you can buy those things nearly anywhere.
Photo Etching Using Photo Resist – This tutorial shows the entire process from inception to completion.
Etching with iron transfer – Simple toner transfer process
How To Etch At Home – An excellent tutorial But the process of developing the photo resist can be time consuming. Be sure to read the technical data here for how to use the positive 20.
Services And Supplies
PPD LTD Excellent photo etching service for rail and architecture
PPD artwork guide – use to make plan to have the product etched.
CapeFearPress Dry Film Supplier – Puretch film. Has excellent etching demos.
4D Model Shop Complete service. Includes etched trees.
Artwork Design Guidelines – Photofabrication Engineering Inc.
Mastercut Etching Design Guidelines – Good information in .pdf
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