CAD Puzzles & Riddles

Created by FredSWUG on 27 March, 2019

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