There are actually some nice robot arms painting pictures and doing calligraphy: https://www.pinterest.de/pin/brobot-desktop-robot-arm-is-practicing-calligraph

There are actually some nice robot arms painting pictures and doing calligraphy: https://www.pinterest.de/pin/brobot-desktop-robot-arm-is-practicing-calligraphy--718324209302222270/ https://www.pinterest.de/pin/brobot-desktop-robot-arm-is-pra...