The Tado bridge v3 has no way to screw it to anything. This simple cover has screw mounts to allow just that. It fits mine nice and snug, with plenty of room for power and network connectors.
Featuring slots in the sides to allow heat and radio escape. a window for the indicator leds, and a hole for the 'new connection' button.
I hope it's useful for you.
I printed this with the face down and supports for the screw tabs.