Github: https://github.com/t-paul/led-ring-clock
ESPHome configuration: https://github.com/markusressel/ESPHome-Analog-Clock
This design uses a custom PCB for the ESP12F board https://aisler.net/torsten/finished/esp12f-led-controller but any other ESP board should work just as well.
Additional things needed:
OpenSCAD libraries used:
The author marked this model as their own original creation.