Perhaps a few teaser pics:
Closeup of the wCore, note the USB/SD "modules" above:
One tricky thing was to mount an LED but not go beyond 160mm x dimension.
This was the answer:
There was room on the back, so this is dedicated to the guy who loves the Beat LED:
A bit hard to capture the mask text, but it reads:
"the big beat LED somehow belongs to a MIDIbox SEQ, it's like a defining feature :D"