Doom on a ring

I sourced some small batteries for the lego computer, and needed to try them out. Why not a ring? The circuit is a single PCB which I cracked along 4 score lines to wrap it into a ring. I wanted to see if this was a useable technique. It isn’t. The result was very fragile, and I lost the connections to the capacitive pads and USB port during encapsulation. If I make another, it will either be fpc or castellated construction. The ring is running RP2040 doom: Modified to generate greyscale on an oled using the technique here: