All the hardware is mounted on to a simple tray chassis, which was 3D printed along with most of the other basic componentry. The robot does a good job of plotting out a drawing on a small scale ...

Imagine a swarm of tiny robots, each about the size of the palm of your hand, spreading out over a wildfire-ravaged community ...

by drawing. The robot’s design and programming were developed at PlayRobotics, who named the project TICO. The mechanical parts are available as STL files, to be printed by any 3D printer ...