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

If you're not terribly cost-sensitive, you could buy a pack of the sacrificial inserts that go into the vacuum table that LPKF uses with their mill.

However, if you have to ask how much it costs, you probably can't afford it. That's the way it is with pretty much all LPKF-branded consumables.

It's basically a stiff porous foam that's about 9"x12"x0.5" IIRC.
It does work very well for the task though.

-e