Thanks! I'm doing it in Blender because I have a housemate who is experienced in that package.

The blender file has problems which I will be fixing soon. It was an initial metrics test, seeing if my hand-tracing of the 300dpi scan was adequate in terms of hole placement and shape. It was indeed pretty good, but now needs a lot of work to bring it up to actually being usable as a fascia. In particular, I now see that each of the button holes is actually tapered slightly, so the hole sizes that I obtained from the backside 300dpi scan will need to taper to be narrower as they move forward. That's going to be tricky, but interesting.

Still planning to post the blender files once I have something workable.
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Tony Fabris