Rotating Necker Cube Published on: November 3, 2014 | Author: Richard Epworth Necker Cube Animation http://www.humanbottleneck.com/wp-content/uploads/2014/11/neckercube_rotae_crop.mp4 Note that these changing lines only ever become a cube in the mind of the viewer. Blink and you can often change the direction of rotation. Leave a Reply Cancel reply Your email address will not be published.Comment Name Email Website