Edit: My lack of complaint turned out to be human error indeed. Turns out the manual was included but just lost.<strike>The manufacturer's website mentions a user manual. It was nowhere in my box.</strike> It was a bit of a hassle to assemble. There are many parts and it took some trial and error to figure out exactly how it all came together. (I recommend unscrewing the L-shaped circuit board from the case before attaching it to the nano, as this makes aligning the pins a lot easier.) The case itself is pretty good. One thing that doesn't show up in the product images is a handy little graphic on the top rear of the case that shows the GPIO pinouts (which are fully accessible thanks to the included extension).
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