Here is another egg drawing robot for Easter and other occasions. The eDrawBot can write and draw on ping-pong balls too. It can use various types of pens in different colors. It has a moving accuracy of 0.2-0.3mm. Objects up to 70mm in diameter are supported.
eDrawBot uses Inkspace as software and works with Windows and Mac computers. SVG, JPG, BMP, DXF, and PNG file types are supported.