> I have to investigate this more... it looks like a photosensitive
> film that "develops" in water, and sticks down without heat.
>
> It is made for sandblast etching/carving. But if the hardened film
> stands up in water, perhaps it could be used for acid etching.
>
> http://www.rayzist.com
Well price wise it looks like it runs $5.71/sheet for 25 sheets upto
$6.90/sheet for 5 sheets.
Did not see anything about how it stands up in water, they use water
to wash it out after exposure. Don't know what it does once it has
dried.