I have a bunch of Home Assistant controls using a variety of custom controls and cases.
I have a custom version of Seeed's ESPClaw (https://github.com/Seeed-Projects/espclaw - there are a lot of other ESP Claws too) with a case.
I'm working on a Tamgotchi-style mini-game device using ESP-NOW to connect with nearby devices.
Lots of other random projects at various stages of development.