Not yet built, but in my TODO list:
A mango pi mq-pro, a custom written 100% risc-v 64bits assembly firmware, plate-mounted cherry switches (probably silent red, or black), lovely PBT key caps, laser cutted aluminium plates, diodes, a bit of electric wiring and:
https://external-preview.redd.it/AxGrpEpxqpATGsX7MwsoSRrD2ie...