The Library has a number of interesting Optical Illusion models. Post your favorites below, or create new ones:
The above model is a classic 3D illusion model, and the creator got the viewing angle right
Another classic model is shown above, but this one also has a stereoscopic image
Above: Try saving and reducing the image size if you can't see the 3D effect.
Above: Very beautiful
Above: This may make your head hurt
Above: Similar to another above, but the "star" at the center is an interesting effect
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