Rotating Tunnel Optical Illusion for Direction Reversal

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Solution Overview

Problem

Existing 3D optical illusions fail to create a convincing rotation effect due to depth perception, which prevents the illusion of rotating direction from being perceived correctly.

Innovation Solution

A 3D shape with tunnels positioned at a constant angle relative to the ground, allowing for the illusion of rotation direction reversal by strategically placing tunnels to create the appearance of dots moving in the opposite direction of the actual rotation when viewed from a specific angle.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a 3D shape is rotated in reality, then the true direction of rotation is perceived by depth perception, but the illusion of opposite rotation direction cannot be created

Engineering Contradiction:

Improveaccuracy of rotation direction perceptionVSAvoidability to create rotation illusion

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The 3D shape is segmented with multiple tunnels passing through it at different positions and orientations. Each tunnel appears as a separate visual element (dot) when viewed from the specific angle, allowing independent control of apparent motion for each segment while the whole object rotates in a fixed direction.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The tunnels are positioned with specific local qualities - different orientations and positions relative to the rotation axis. This local variation in tunnel placement creates the illusion that different parts of the object are moving in opposite directions, even though the entire object rotates uniformly.

Inventive Principle:

Principle #3Local quality

2Adaptability or versatility

If tunnels are positioned to create the illusion of dots moving in one direction, then the illusion of opposite rotation is achieved, but the true rotation direction remains fixed

Engineering Contradiction:

Improveillusion of rotation directionVSAvoidtrue rotation direction information

Core Design Contradiction:

Adaptability or versatilityVSLoss of information

Solution Approach 1:

The tunnels act as intermediaries between the actual rotating object and the viewer's perception. By strategically positioning these tunnel openings, the system mediates the visual information presented to the viewer, creating an intermediate perceptual reality where dots appear to move in the opposite direction of the true rotation.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

As the object rotates periodically, each tunnel passes through the viewer's line of sight at regular intervals. This periodic appearance and disappearance of tunnel openings creates a rhythmic visual pattern that the brain interprets as continuous motion in the opposite direction, leveraging the periodic nature of rotation to sustain the illusion.

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS11786836B2Rotating tunnel optical illusion

Publication Date: 2023.10.17 HASELTON BENNETT

AI summary

A 3-dimensional object may contain tunnels passing through the object so that when the object rotates, if the object is viewed from a certain angle, the tunnel is only visible for the moment that the tunnel is pointed directly at the viewer's eye. This system of tunnels can be used to create an animated system of dots when the shape rotates, and the dots can be positioned so that they create the animated illusion of dots moving along the surface of the shape in the opposite of the true direction of rotation.