The Atomos Shogun is a state of the art 4K/1080 External Recorder and more. But your BIG $$$$ investment needs proper protection, but it doesn't need to weigh a ton! This 3D Printed Shogun Cage weighs a few grams and protects as well or better than anything on the market.
This is a 2 part product, so be sure to order both parts. You will need four 4x40 bolts and four #4 nuts to connect. Easily available at Home Depot or any hardware store.