How hobby drones and 3D printing are being effectively used against the Russian invasion of Ukraine

This fascinating Twitter thread shows how Ukrainians are modifying hobby drones and turning munitions used in AG-17 grenade launchers into aerial anti-personnel bombs by adding 3D printed fins.

Warning: The footage of one of these bombs sailing through the sunroof of a vehicle full of Russian soldiers is gruesome, at least by implication.

Image: Twitter screengrab