The 'lettering' comes ready stuck to a sheet of sticky stuff so that all you need to do is remove the backing, place it onto the surface, press it down and then remove the sticky stuff sheet. A bit like those 'speed stripes' you get for running along the sides of your car. Here is one of my Old Vans with some self-adhesive signs on it. I drew the designs as a JPEG file and got them printed off for just a few pennies.
The Ferric Chloride eats ali like crazy so you can dunk the ali piece in the liquid (or sponge it on) so that it eats away the unprotected part, leaving a lightly roughened surface.
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Rob Thomas,
Cardiff, Wales, UK
Last edited by Steve Hamilton; 01-02-2018 at 10:19 AM.
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