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Member of International List of Scale Model Related Web Sites


Photo Etching in Model Making


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The only way to create very detailed and accurate pieces from brass or copper is to Photo Etch. I searched the internet here and there and found quite few methods; most of them refer to preparing PCB circuit boards. There are significantly less articles on photo etching at home for modellers, and in the end there are certainly less with decent pictures and examples for home usage.

Up until now I used paper/foil and the iron method, but now there is a different way! Here's how I did it....

Being challenged by the necessity of creating really nice looking letters for my ship, and having failed to do so using the iron and glossy paper method, I decided to move full speed towards proper photo etching.

oh, by the way...when I mention 'FOIL' in this tutorial, I refer to the clear plastic acetate which can be printed upon in inkjet printers. Foil is the technical term for this item only.


Plate for tall ship Dar Mlodziezy
 

Required materials:

  • Inkjet printer
  • Transparent foil for Inkjets printers
  • Software to prepare vector graphics of your plate
  • Photoresist varnish – POSITIV20
  • Developer – Sodium Hydroxide - NaOH
  • Etching solution – Natrium Persulphate or Ferric III Chloride (FeCl3)
  • And of course your brass or copper plate.
  • Source of UV light.

 


Photoresist Positiv20

 

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