Roomba has been modified with inkjet printer parts so it can create bitmap patterns on the floor like Rangoli

Modification of Roomba with an old inkjet printer, creating a device called Rangoli (a traditional form of Indian sandpainting.
iRobot Create application uses inkjet printer parts to draw bitmap patterns on the floor with various colored powders.

Half Roomba, Half inkjet. A graffiti bot created by the iRobot folks spraying chalk bitmaps on the floor.

iRobot Floor graffiti Roomba

Punk IRobot used to graffiti floor

PrinterBot, showing its sand painting mechanism.

It is the graffiti roomba! Modification of the roomba with parts of a printer so that it can draw bitmap pictures on the floor. \m/