What is "piranesi"

Piranesi is an Italian surname. Notable people with the surname include:

• Giovanni Battista Piranesi (1720–1778), Italian artist
• Francesco Piranesi (1756 or 1758–1810), Italian engraver and architect, son of Giovanni Battista Piranesi

Piranesi is an interactive paint system that enables the user to create artistic images from 3D scenes created using conventional modeling applications.