Hi Marcin,
Nope, that's the Eagle PCB file, what I'd like to find is the Eagle schematic - SCH extension. I'd like to make them both available in my blog post.
Phil, probably I won't be selling kits. The sockets are probably harder to obtain than ZM1000s themselves. I have counted the original ZM1000 sockets I have and I ordered 25 sets (top+bottom) of those custom-cut aluminum plates. So I'll build those 25 clocks by myself, use a few as gifts, and sell the rest on eBay and/or etsy. (Also, it is a pain to build: top plate cutouts for sockets are cut to very tight tolerances; I actually have to use the top plate as a template to solder the sockets.)
Best, Damir