This term identifies a downloadable document, typically in Portable Document Format, containing instructions or templates for creating a specific type of optical illusion. This illusion gives the impression of a three-dimensional dragon head that appears to follow the viewer’s gaze as they move. The files often include printable patterns designed to be cut, folded, and assembled into the dragon head model.
The value of these resources lies in their accessibility and the engagement they provide. They allow individuals to explore principles of visual perception and spatial reasoning through a hands-on activity. Historically, similar optical illusions have been employed for educational purposes and as sources of entertainment, tapping into the human fascination with manipulating perspective and challenging perceived reality.