I know, I’m late to the party. I wish I would have known the Midibox project ten years earlier, but here we are. This is my build log. 
I decided to build a SEQ V4 with Wilba’s front panel. Getting the parts and PCBs was a bit tricky, especially since the front panel PCB can only be sourced from the U. S. which took several weeks.
First light:
The front panel would be one of the most expensive components - 244 € was simply too much for me, so I opted for a DIY version. I used my CNC mill for engraving the letters and symbols which turned out quite nicely.
Front panel proof of concept:
Milling the front panel:
There’s still a lot of work to be done. I’ll keep you posted. 