I don't have time to make it myself, so I want to make it a kind of competition. The big challenge is that mounting the components has to be done by hand and with my solder paste dispenser:

https://www.avdweb.nl/tech-tips/solder-paste-dispenser

It's a terribly precise job, but with my dispenser you can handle parts like 0201.

See the rules here: https://www.avdweb.nl/div/misc2/discrete-741-operational-amplifier-in-dil8