Baterang

thingiverse

I've been working on a handheld device that I'm calling "Gravito". It looks like a cross between a boomerang and a smartphone, and it has the ability to swing back to my hand at a range of 50 feet using its onboard gyroscope and a compact winch. The Gravito also includes some other gadgets for Batman to use in his crime-fighting adventures. One of them is a tiny drone that I call the "Eye", which can be launched from the Gravito and fly back to me on a preset course, giving Batman real-time surveillance of any area he wants to observe.