RX02 DMK image to raw tool?

[Mattis Lind]

This is highly annoying. Back in 2015 I did exactly this and now I have
forgotten how.

I dumped a set of RX02 disks with catweasel into .DMK and now I want a raw
sector image to be able to test them with SimH.

What is a good tool to use? I have some faint memory of glancing through
hexdumps of .dmk files. Perhaps I did something myself using dmklib by Eric
Smith? Don't really remember, unfortunately.

But surely someone else has already done this, right?

/Mattis