Universal Principles of Design, Updated and Expanded Third Edition

111 Magic Triangle

A triangular relationship between facial features that creates the illusion of sentience.

The magic triangle is a triangular relationship between the eyes, nose, and mouth, developed by Don Sahlin, chief designer of the Muppets. Eye placement is considered the most important aspect of the magic triangle: Pupils are slightly crossed, staring toward the tip of the nose. This makes it appear that muppets are staring at a point in space about 18 to 24 inches (45.7 to 61 cm) in front of their faces, creating the appearance of intentional focus — like the character is looking at something specific versus staring into space. This helps bring muppets to life and makes them appear sentient.1

Although the magic triangle is an artistic ...