hypnotic wheel
thingiverse
rotate this device with a drill or by inserting a bearing in the middle. shine a strobe (flashing light) at it and look at it spin in peculiar ways. option B, rotate it and make a video of it. in the video you will see the ilusion.
Download Model from thingiverse
With this file you will be able to print hypnotic wheel with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on hypnotic wheel.