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Circle Illusion

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Creation quality: 5.0/5 (1 vote)
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  • IllusionBoard.stl
  • Stand_verA.stl

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Publication date 2020-02-04 at 14:33
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Published to Thingiverse on: 2020-01-30 at 06:37
Design number 104811

3D printer file info

3D model description

Circle Illusion, Optical Illusion

There are various optical illusions, of which the spinning circles make a worthwhile 3D design project. One has many opportunities to sketch and offset circles. The present design is just an example. It creates a dual conic illusion when spun slowly (refer to the GIF demonstration below).

The circular board has a diameter of 120 mm. The filament should be changed at about 70% completion or after the base is printed, to create the color contrast. Of course, white or light-colored filament can be used to print the whole board. Once finished, the crescent patterns can be painted using another color.

Thanks to the ** natural warping**, the board can be spun on a smooth surface without a stand. If so desired, a stand can be used to raise the board for spinning. Have fun!

####References
1. https://en.wikipedia.org/wiki/Illusion

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