here are some pics of my bela mini enclosure :-) it fits all perfectly and can be disassembled quite easily. the two button/switches hold the board and the bela mini in place. i changed out the 3.5mm jacks for 6.3mm, since they are more sturdy. it can be powered from an external 5v source or via the micro usb port (since that is a bit flimsy i added the power input) it also features two LEDs as a bare minimum UI to control/monitor patch switching.
bela mini attached to the board with pin headers so it can easily be removed again:
bottom side of "mainboard", as you can see i only brought out one row of pins per bela side as that is sufficient for stability and i only needed those pins anyway (except for the 3.3v, can you spot it?):
everything except 6.3mm jacks in the enclosure, note how precisely the bela mini fits into the case...:
paint job to do: