Here for your viewing pleasure is a nice "post-apocalyptic" decal for a factory-made-ABS-enclosure by courtesy of Marc from Canada.
By the kind permission of Marc,
"...I've also attached the JPG of the decal if someone should want to use it. I
simply printed to glossy sticker paper to print it and cut it out with a blade. ..."
If you need the enclosure you can get it through this post here
or on eBay here