ZX-Uno Pi is clone of ZX-Uno FPGA computer that includes midi and wifi chip onboard.
It is open source project and placed on github(gerbers, schematics): https://github.com/tank-uk/ZX-UNO\_Pi
Print it in PETG for best results
Cover present in two files that can be used for multimaterial print(even without MMU) or use just first file.
I've print it with 0.3 layer. With good PETG you'll got good result.
For “fake MMU cheat” look this video:
The author hasn't provided the model origin yet.