Makerbot Replicator 2 Backplate

I am still trying to understand the Black Art of 3D printing. One thing that I have noticed is the build cabinet temperature makes a huge difference to the flatness of a PLA print. So I have been keeping it at 28-35C and getting great results. Looking for something to make I decided to modify the rear name plate on the build platform to incorporate a digital thermometer. The unit I am using can be found on EBay for A$4-5 and is sold as a fish tank thermometer. Hope someone else finds it useful.