Homebrew PCBs

> 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.