[Tim] decided to build one that uses a simple skid-steer design to get around ... the other basic componentry. The robot does a good job of plotting out a drawing on a small scale, with [Tim ...

In a nutshell People rated robot-generated drawings as significantly more creative when they could see the drawing being made ...

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 ...