I have designed a simple (unofficial) box for RB411, RB711, RB133 deivce.
It is treated by fireproof treatment and if anyone is interested I can produce hundreds of them from either plywood or plastic board (PC, ABS or POM).
https://www.dropbox.com/sh/8ac9ngxx0yvm ... abka/final#/
Critics much welcome!
Enjoy
maco@blava.net
Marcel