Here's an imperial version.
I would say that it's pretty right in the important areas (ie mounting holes and header location), the "tongue" is not quit symetrical and is possibly a bit out.
I emphasize that the headers have been located based on me scaling some photos from the web and making some assumptions. Not exactly best engineering practice but we work with what we got.
I'll package both as a PDF soon, meanwhile if anyone wants to apply a sanity filter that would be good.
I'm designing a clone (sort of), so the header and hole locations are important, the board outline doesn't matter that much and other components not at all with the possible exception of the DC jack, I just like things to be right.
I tried using Eagle and despite having been a freelance PCB designer in a previous life I gave up after 10 minutes. I will reinstall though if for no other reason than to get dimensions of things like this.