CIRCLE-CAT Standard 5mm

The CIRCLE-CAT Standard 5mm has a, like the name says, 5mm thick main plate and uses 36x36mm plates as a top plate. You can print those, but here's a link to some good ones anyway: http://www.banggood.com/Flight-Controller-Protection-Cover-Plate-Damping-Plate-Controller-Board-for-Martian-Series-frames-p-1102552.html?rmmds=search
I have not managed it (yet) to destroy this thing. Crashed against trees, stones, houses, cars, monkeys, everything - not destroyed.

The Frame needs a 200x200x5mm sp