Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

I didn't understand... maybe is just a languaje issue.
What is vellum? I did not get that about the vapour trick.. sound TOO
messy.

Getting it easy,
Tracing paper?
3M transparency?

What confuses me is hearing that transparencies are tricky to print. I
really thought it was pretty easy, but I see it is not as it seems...