Homebrew PCBs

David Griffith wrote:
> On Tue, 26 Jan 2010, James wrote:
> 
...

> One of the things that is driving me to the photo process is that I'd like 
> to do double-sided boards sometime.  It seems a bit easier to get the two 
> layers registered properly by taping two stencils together to make a 
> pouch.

You can place small squares of double-sided foam tape to one film, then
place the other film on top to make the pouch. The tape is usually 1/32"
thick like the pcb. It's a far easier way to make accurate double-sided
pcb than toner transfer.