--- In
Homebrew_PCBs@yahoogroups.com, Dylan Smith <dyls@...> wrote:
>
> For TT, I don't do anything at all complicated.
>
> All I do is print the two toner transfer sheets.
> Hold them face to face with a light behind them, bright enough to see
> the vias (the back door of the house when the sun is shining works
> remarkably well, other than that, a 50W lamp).
> When aligned, tape one end of the sheets to form a hinge between the two
> sheets.
> Double-check the alignment.
>
> I've done dozens of boards this way (my second ever board was 2 sided)
> and I've only had one that was a bit off - and even then, it wasn't
> sufficiently off that it couldn't be used. All the other boards were
> perfect. I've done boards with 8/8 track/gaps this way without problems.
> I think overcomplicating the registration process can make things harder.
>
Second that, I did exactly this recently, only I was using a bright flashlight. It was easy and the alignment came out perfectly on the first try.